all right, kris van cleave, thank you so much. and we learned today that in the last 24 hours, there has been an increased russian buildup of troops on the ukraine border. also, the u.s. military naming the ten u.s. bases where some 8,500 troops are on heightened alert to deploy to eastern europe. cbs's holly williams reports from ukraine's capital of kyiv. >> reporter: the u.s. says the

norah. >> o'donnell: kris van cleave with all the details. thanks. and there's breaking news: a significant escalation into the investigation of the january 6 attack on the capitol. we have learned the congressional committee has issued subpoenas to members of trump's family and his closest advisers, including rudy giuliani. and tonight, cnn is reporting the committee obtained phone records for eric trump, as well as donald trump jr.'s fiance, kimberly guilfoyle. all right, it was a scary scene in the bronx today when a suspected gas explosion resulted in the collapse of an apartment building. one person was killed and many others were injured, including police officers who rushed in to save lives. cbs' nancy chen is at the scene. >> reporter: gone in an instant. this three-story bronx building was obliterated in an explosion just before noon that rocked the neighborhood. >> it sounded like a bomb. that's-- that's the only thing-- i-- that's the only thing i can compare it to, like a bomb went off. >> reporter: two adjacent buildings were quickly eng

kris van cleave explains. >> reporter: a new look inside an oklahoma city e.r. overflowing with covid patients. dozens are waiting for icu beds, but every single one at four of the state's largest hospitals is full. police officer brandon owens has been in the icu and on a ventilator for more than two weeks. >> he's spent 14 years in the military. he did three deployments overseas. we never expected this to be something that would get him down. >> reporter: the situation is so dire it prompted this warning -- the oklahoma city health care system is at a breaking point. >> it feels like a war zone when there are fires everywhere, and it's a battle trying to take care of the wounded, trying not to get wounded yourself. >> reporter: dr. julie watson is the chief medical officer at integris health. monday its hospitals set a new record for covid patients as the state's vaccination rate lingers at less than 55%. do you feel like you'd be in a better situation if the vaccination rate in oklahoma was higher? >> there's no question in my mind. our icu physician and you

the next few weeks, as well. >> that was kris van cleave reporting. last night, delta said it's preparing for dozens of cancelations. it's offering fare difference waivers to affected customers who need to rebook their flight. >>> breaking overnight, the new york state attorney general's office says it has uncovered evidence of possible financial fraud at former president trump's family business. in a court filing late yesterday, prosecutors say they found evidence that allegedly shows the trump organization misrepresented the value of its properties and golf clubs to get loans and tax breaks. there is no decision on whether to file a civil lawsuit. prosecutors also filed a motion to compel mr. trump and two of his children to testify. >>> the house select committee investigating the january 6 attack on the u.s. capitol issued subpoenas to four allies of former president trump. the panel wants documents and testimony from former trump lawyers rudy giuliani, jenna ellis, and sidney powell. it also wants to hear from former trump white house aid boris e

all right, kris van cleave, thank you so much. and we learned today that in the last 24 hours, there has been an increased russian buildup of troops on the ukraine border. also, the u.s. military naming the ten u.s. bases where some 8,500 troops are on heightened alert to deploy to eastern europe. cbs's holly williams reports from ukraine's capital of kyiv. >> reporter: the u.s. says the ball is now in russia's court. and today, moscow continued its buildup near ukraine's northern boarder in belarus for what it says are military drills. russia is demanding security guarantees, including the rolling back of n.a.t.o. forces from eastern europe, and a ban on ukraine joining the alliance. the u.s. and its n.a.t.o. allies say they cannot agree to either. the american ambassador to russia hand-delivered a written response yesterday. today, the kremlin said the u.s. had not addressed its main concerns, and likened the current situation to the cold war. ukraine has lived with russian aggression for years. these essential services employee

here is kris van cleave. a covid call to duty is sending new mexico guard suzanne corona, back to class. >> what made you put your hahns up top say i will go through the training and i will be a substitute teacher. >> it is the need. >> reporter: the estancia school district serves a rural community of about 1,800. all available substitutes are coving for staff out sick, or are sick themselves. >> reporter: superintendent cindy sims says the covid surge hit estancia harder than ever. >> we've lost parents of students in our school-- i'm sorry. we've lost spouses of our staff. we've lost grandparents. >> reporter: new mexico has seen over 22,000 new covid cases since the weekend, forcing about 60 school districts and charter schools to switch to virtual learning. the governor not only brought in the guard-- she did double duty, too, by teaching kindergarten in santa fe. >> we did math, we learned about syllables, we did a water color art project. >> reporter: and while it's the first time these kids have had a

norah. >> o'donnell: all right, kris van cleave, thank you. former theranos c.e.o. elizabeth holmes is out on bond tonight, awaiting sentencing after being found guilty on four of 11 fraud charges. she faces 20 years for each of the four convictions. cbs' anna werner reports on the fallout for the silicon val valley... >> reporter: elizabeth holmes seemed the golden girl of silicon valley but now stands convicted of fraud and conspiracy and molly wood, a journalist turned investor, says today, many in silicon valley's tech circle are feeling like they dodged a bullet. >> there is a lot of, like, few! thank goodness that we didn't get in on that. >> reporter: holmes gathered a cast of high-profile investors. >> rupert murdock. >> reporter: plus oracle's larry ellison, former education secretary betsy devos' family, and board member general colin powell, all led to believe holmes' company, theranos, had developed revolutionary technology for blood testing as she told norah o'donnell in 2015. >> o'donnell: what about those who say that's not enough blood to do all the

kris van cleave has more. >> i hope your family in dies in front of you. i pray to god if you've got children they die in your face. >> do you get calls like that a lot? >> i do. we get several a week. >> reporter: congresswoman debbie dingell says threats like this ramped up after former president trump acc attacked her and her late husband john at a campaign rally in december 2019. >> debbie dingell, that's a real be beauty. >> he made very comments about john looking up from hell. and i was just stunned by it. >> reporter: it's not only verbal abuse. in november her dearborn, michigan, office was vandalized. >> i had men in front of my house with assault weapons. after tucker carlson had done a rant on me. >> what is the impact on debbie the person, not the congresswoman? >> i'm trying not to let it get to me. but it doesn't mean that some nights when you're home and alone, and you don't hve the husband you love anymore, you don't get scared. >> do you worry by talking to us, you're going to get more threats? >> probably. >> i don't think most people un

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cbs' kris van cleave is in hard-hit oklahoma city. >> reporter: tonight, a new look inside an oklahoma city e.r., overflowing with covid patients. dozens are waiting for i.c.u. beds, but every single one at four of the state's largest hospitals is full. police officer brandon owens has been in the i.c.u. and on a ventularity for more than two weeks. >> he spent 14 years in the military. he did three deployments overseas. we never expected this to be something that would get him down. >> reporter: the situation is so dire, it prompted this warning: the oklahoma city healthcare system is at a breaking point. >> it feels like a war zone when there are fires everywhere. and it's a battle trying to take care of the wounded, trying not to get wo >> po dr.ie watson is the chief medical officer at integris health. monday, its hospitals set a new record for covid patients as the state's vaccination rate lingers at less than 55%. do you feel like you would be in a better situation if the vaccination rate was higher? >> there is no question in my mind. an i.c.u. physician and i were talking, and

cbs' kris van cleave is in hard- hit oklahoma city. >> reporter: tonight, a new look inside an oklahoma city e.r., overflowing with covid patients. dozens are waiting for i.c.u. beds, but every single one at four of the state's largest hospitals is full. police officer brandon owens has been in the i.c.u. and on a ventilator for more than two weeks. >> he spent 14 years in the military. he did three deployments overseas. we never expected this to be something that would get him down. >> reporter: the situation is so dire, it prompted this warning: the oklahoma city healthcare system is at a breaking point. >> it feels like a war zone when there are fires everywhere. and it's a battle trying to take care of the wounded, trying not to get wounded yourself. >> reporter: dr. julie watson is the chief medical officer at integris health. monday, its hospitals set a new record for covid patients as the state's vaccination rate lingers at less than 55%. do you feel like you would be in a better situation if the state's vaccination rate was higher? >> there is no question in my mind. an i.c.u. p

cbs's kris van cleave has our story from oklahoma city. >> reporter: this morning oklahoma hospitals are at the brink. every icu bed in the state's capital city is full with dozens of patients waiting for one to open. >> i try to treat each patient like they're my family. so you know, they -- it's different. >> reporter: e.r. nurse nicole green will spend 12 hours today at a hospital slammed by covid as her 61-year-old father brett battles for his life at another. he got sick last tuesday, was in the hospital on thursday, on a ventilator by friday, but couldn't get an icu bed until saturday night. >> it's hard. you know, it's hard knowing and seeing what i've seen and then knowing that my -- there is a chance that my dad could die. >> reporter: what would you tell dad right now? >> i would tell him to keep fighting, that we love him, and just keep fighting. >> reporter: it's a fight playing out hourly in icus and hospitals across the sooner state, prompting four of the largest hospital groups to warn residents in an open letter the oklahoma city health care system is at a breaking po

i want to go to congressional correspondent kris van cleave. he was here a year ago as was nancy. we heard the president say this was not a fight he was looking for but he would stand in breach. when he said that he was in a spot that had literally been breached. what do you think we will learn from hearings? >> we are hearing that the committee is even weighing doing them in primetime to try to maximize the number of people who will be able to watch those hearings. the plan will be to essentially layout their case, their findings. this will be different than impeachment where you saw democrats make a case and republicans rebut and too i to tear it down. the republicans on this committee are in general agreement with the rest of the committee, the seven democrats. so you are going to see this case laid out likely over a course of several weeks of public hearings sort of one step after another as they start to bring witnesses forward and layout some of the evidence that they had been collecting, some of the evidence nancy just referred to. we know they've got thousands of pages fro