that's it at 5:00. we will see you ♪ ♪ ♪ captioning sponsored by cbs >> duncan: tonight, ukraine agrees to talks as it resists russian's invasion. battles raged on multiple fronts fight to stop the invaders. russian troops take aim at the second largest city and push closer to kyiv. this oil depot, a flaming target, at border crossings-- gridlock in the rush to safety. cbs news is there. >> reporter: i'm holly williams in ukraine, a country now transformed into a war zone. where hundreds of thousands are now fleeing across the boarders. >> duncan: in moscow, vladimir putin today puts his nuclear forces on alert. president putin is conditioning to escalate this war.

>> duncan: this as the kremlin is targeted with new sanctions. and, the world rallies in support of ukraine, from berlin to kansas city. >> u.s.a. supports ukraine. >> duncan: also tonight former president trump returns to cpac speaking out on putin and tearing into president biden. cbs' robert costa joins me. and later, spirit product tests, consumers take aim at russia's most famous export. ♪ ♪ ♪ this is the "cbs weekend news" from new york, with jericka duncan. ♪ ♪ ♪ >> duncan: good evening and thanks for joining us. tonight the pentagon is criticizing vladimir putin's decision to put his nuclear forces on high alert as

"unnecessary and escalatory." this as u.s. and european allies seek so further punish russia for its invasion of ukraine that includes tough new financial sanctions and new flight bans. still russian forces are pushing deeper into ukraine. resistance has reportedly been fierce. and in some placing the fighting street to street. but russia forces are advancing, these new satellite images you see show columns of military equipment 40 miles outside the capitol kyiv, and closing in. today ukraine's president volodymyr zelensky agreed to negotiations with russian officials without preconditions. as the fighting rages the unit nation reports nearly 400,000 people have fled the country. most of them women and children. we begin tonight on the ground in ukraine with cbs' holly williams. >> reporter: in just a few short days ukraine has transformed into a war zone. one russian missile hit an oil depot on the outskirts of the capitol kyiv early this morning. according to ukrainian officials. and in kharkiv just 20 miles

from the russian border, there have been fighting on city streets. the ukrainian authorities said today they were still in control. yesterday in kyiv the battle came very close to us. we are hearing a lot of gunfire. obviously fighting taking place, we think about three blocks from here. we were inside a private hospital, which is now cancelled all elective surgeries. instead, the doctor yelyzaveta plechysta told us they are prepared to treat combat injuries. why are you staying? you could leave. >> it's my home. it's my own town, i was born here and i will live here fo all my time, all my life. >> even if that means dying here. >> if it means fighting for my home. >> ukraine's resistance has been determined. and may have taken moscow by surprise. videos shared online appear to show killed and captured russian soldiers and destroyed russian

military hardware. ukrainian volunteers have taken up arms and made molotov cocktails at the request of their government. >> now we're doing this and it seems like the only important thing to do now. >> many ukrainians have been living a subterranean existence, sleeping in subway stations to shelter from russian missiles and air strikes and nearly 400,000 have already fled the country, according to the united nations. lines at border crossings stretch for miles. today we met olga levgen and their baby daughter katya as they tried to cross into moldova. >> we here for apartment we here for kindergarten, for normal life in kyiv. we don't want to go, but it is dangerous to stay there. >> reporter: today ukraine's foreign ministered said that vladimir putin had so far failed

to achieve any of his goals in this invasion. with russian forces not yet in control of any more ukrainian cities, jericka. >> duncan: holly williams for is, thank you. president biden has been handling the crisis from delaware this weekend, where we find cbs news senior white house and political correspondent ed o'keefe. ed, it has been a busy weekend. >> reporter: it sure has, jericka. and the biden administration says vladimir putin's latest moves are another example of him trying to scare the world and why unity against his invasion of ukraine is so critical. from the united nations, president putin is continuing to escalate this war in a manner that is totally unacceptable. >> reporter: to nato. >> this is dangerous rhetoric. >> reporter: much of the western world is standing strong against the russian invasion. >> i haven't seen this unity since 9/11.

>> reporter: an decision it to kick most russian banks out of an envelope banking system and plans to restrict the country's central bank. >> this makes it very difficult for president putin and the russian government not only it to do business but also to help fund greater expansion of their military. >> reporter: u.s. and european allies also plan to begin targeting russian oligarchs with ties to president putin. >> i love this because it is personal. >> vladimir putin has shown what he is, he is a thug, he is a des not. despot. >> most democratic and republican lawmakers support steps taken so far. >> in is good news and the kind of thing we ought to be doing. >> reporter: but some said president biden should be doing more. >> it's time for the president and some of our european partners to quit pussy-footing around, i know they say they sanctioned 80% of the banks in russia. vladimir putin controls 100% of the banks in russia. >> reporter: the biden administration said it will take a about a month for the sanctions to be felt. >> but, can the government in kyiv hold on for a month? >> the president of ukraine has

indicated that they are going to be fighting back constantly and it is our plan to support their efforts. >> duncan: amid all of this, the president is also preparing to deliver his state of the union address on tuesday night. what do we expect to hear from him? >> reporter: well, notably in an interview today his chief of staff said that unlike most state of the union address this one will likely focus more on national security and foreign policy given the situation in ukraine. but also expect to hear him talk about his passage of historic infrastructure and economic recovery legislation. that he will probably call on the senate to quickly confirm his supreme court nominee and is likely going to try setting the tone for democrats to as they prepare to run for re-election later this year. ed o'keefe for us tonight in delaware, thank you. there were several protests today against russia's war, this massive gathering took place ino

ukrainians. nearly as many people came together in prague, the capitol of the czech republic, the prime minister thanked demonstrators for their loyalty to democracy. even smaller cities had demonstrations. this is kansas city, missouri where reporters joined members of the ukrainian community calling for peace. well, today the united states asked americans in russia to consider leaving immediately. cbs' mary ilyushina is in moscow with the latest. >> reporter: tonight vladimir putin raised the stakes between russia and nato to the highest degree, by ordering his army to put new clear forces on high alert. western countries aren't only taking unfriendly action against their country in the economic sphere, he said but top officials from leading nato members made aggressive statements regarding our country.

with putin, a threats ordinary russians are trying to speak out against the war their leader has waged, often at their own personal risk as over 3,000 people have been detained during protests since thursday. >> sorry. i'm so shocked. i just can't help crying. >> reporter: crippling sanctions imposed on russian financial institutions already sowed panic here. on sunday banks targeted by u.s. and e.u. have been working over time to service long lines of people trying to withdraw their life savings. people here are worried about being isolated from the rest of the world. not being able to travel abroad or buy the devices that they used to but most of all they're unnerved by the uncertainty that each new day of this war brings. jericka. >> duncan: mary ilyushina, thank you. former president trump is speaking out about russia's invasion of ukraine. he appeared at the conservative political action conference on saturday placing fault for vladimir putin's aggression on the policies of president biden.

>> the problem... is not that putin is smart, which of course he's smart, but the real problem is that our leaders are dumb. dumb. putin is playing biden like a drum. >> cbs new chief election and campaign correspondent robert kosta joins us from orlando. robert, good evening and welcome to "the weekend news." the former president said that what happened in ukraine is an assault on humanity. but what did he say about vladimir putin? >> reporter: when the former president called the russian president smart. he was echoing comments he made earlier in the week. those remarks have disturbed many democrats and some republicans including utah senator mitt romney. but they have not displayed most republican voters, at least the attendees here, trump won the straw poll on sunday outpacing florida governor ron desantis.

>> duncan: did we get any incite into how the republican party is faring in some of their thoughts as president biden prepares for the state of the union address? >> reporter: we did. cpac was an all-out barrage against president biden the head of the state union address, there is no talk among officials here and lawmakers about having some kind of bipartisan legislating in the coming months it is a mid-term political war. but you do see the g.o.p. divided. the leadership isn't exactly beloved by the activists at cpac. >> duncan: robert kosta for us in orlando, thank you. cbs news coverage of the state of the union address begins tuesday at 8 p.m. eastern on our streaming network. coverage continues on our broadcast net work at 9. and take no chances with security ahead of that speech, crews reinstalled fencing around the u.s. capitol. there is a trucker convoy headed to washington to protest covid restrictions.

authorities brought back the barrier that was originally installed after the january 6 insurrection last year. the battle over ukraine is thousands of miles away but americans are finding weapons for the fight. cbs' marci gonzales is in santa monica, california. good evening to you. >> reporter: good evening, across the u.s. we're seeing acts of solidarity like ukraine like this rally behind me as a backlash against russia intensifies. >> liftoff. >> reporter: billionaire elon musk is bringing a critical asset to ukraine after receiving a twitter request for help from the country's vice prime minister. the he activated his satellite broadband service called starlink helping to get ukrainians back online after parts of the country including kyiv were left without internet access. tech giants including facebook, twitter and youtube are now blocking russian state media from running ads on their platforms. also off limits, much of the international airspace. you can see the flight disruptions as the european union along with canada, today banned russian airlines from

their skies. fedex and ups are also suspending shipments to and from russia. in the u.s. americans are protesting in the streets and by pouring out russian vodka. (cheering) five states are stopping sales of the liquor. among them ohio where gov ne-- governor dewine attended church services after declaring today a day of. >> putin is a thug and we must punish him. >> and russian airline aeroplot has just said in response to being shut out of european airspace that it is canceling all of its flights there until further notice. >> duncan: marcy gonzalez with that reporting tonight, thank you. hiovid9 vaccines could soon fight other diseases from malaria to diabetes. and a bright idea turning brothers into businessmen.

>> duncan: tonight covid-19 remains in retreat in nearly every state with new infections down about the 0 percent from the january peak. the number of vaccinated americans is higher each day, the cdc says it 5 approximate million paryns have had at least one dose. now the science behind some of those vaccines could be deployed against other deadly diseases. dr. jon lapook takes us to the lab. >> reporter: the pfizer and moderna vaccine went from blue print to rollout fast. but not as fast as many think. >> this type of technology has been in the works for decades. >> reporter: carnegie mellon research scientist katharine whitehead says this technology has mrny for making the protein and the package fat particles called lipids. >> they kind of work like a

trojan horse. >> the cell says i recognize you, you are fatty, i'm fatty. >> come on inside. >> that's right. >> the mrna tells the cell to make a protein that triggers an immune response to the coronavirus. so the body recognizes the virus if it ever shows up. other mrna vaccines against malaria and h.i.v. are in the works and scientists hope the same technology can teach the body to make its own treatment for a wide range of diseases. >> because many diseases are caused by proteins that aren't working correctly, we can ask the cell to make the correct version of the protein by giving it the instructions. >> at whitehead's lab researcher melamed is making mrna to test the novel therapy for type 1 diabetes where cells that usually make insulin are destroyed. >> we can ask other cells that are functional and living to make the insulin instead. >> reporter: you are basically

co-opting the normal synthetic machinery of the body. >> that's right, the power of asking for help. >> reporter: other research might help the tiniest among us. while nursing her infant daughter five years ago. >> i started trying to learn like what is in this breast milk. >> whitehead envisioned using mrna to program breast cells to produce specific proteins. so it would be a way of non- invasively delivering therapeutics to an infant. it is amazing technology. >> reporter: technology that could one day usher in a revolution in drug delivery, dr. jon lapook cbs news, pittsburgh. >> duncan: well, that is quite amazing. still ahead on the cbs weekend news, a look at travon martin's legacy and how conversations about race have changed, ten years since his death. changed,n years since his death.

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tour community forever but it feels like with travon, like we are not going to forget this no more and with that step closer everybody was together. everybody was bonding together. if somebody lost a family member due to police brutality or injustice they bonded together. if you saw a funeral of somebody, everybody was there together. and that, like i said, people saw it, that is what bring awareness and tension. >> and you can see more in a cbs special report, "travon martin ten years later," hosted by gayle king. it is streaming now and also airs monday on b.e.t. at 8 p.m. eastern. >> next on the cbs weekend news three young entrepreneurs lighting the way for others. g es lighting the way for others. here. aspercreme arthritis.

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candles available? >> target, still in macy's whole foods. >> with parents guiding them, what started as a way for the boys to make extra money has seen revenue triple since to 19. seen revenue triple since 2019. and it is paying off, instead of the boys making candles in the kitchen, there's now workers in the warehouse. all moving into a bigger space next month. and days before we met with them, an offer for a buyout. >> no. there is no way. there is no way. >> reporter: would you take the money? >> no. >> no. >> reporter: would you take the money? >> i always said if somebody wants to buy something, you have something of value. so keep it, if you can keep it, keep it, and keep growing it. >> reporter: the youngest wants to be an archaeologist, ryan wants to play baseball and colin will soon need to decide between at least 17, yes, 17 division 1 college football offers. still each one's firmly wants to keep the business in the family. >> they won't really care about it like we do. so i feel like we should be the owners.

>>reporter: the brothers are currently featured in target's black-owned business brand. but it is not all about profits. giving back is part of their plan as well. they have donated $40,000 to homeless shelters across maryland. what is your vision for the next few years? >> growing it, evolving, getting more. >> i would say creating our own bath and body work store to invite other businesses to be in our store too. >> one family, letting their boys' dreams light one candle at a time. errol barnett, cbs news, white plains, maryland. >> duncan: i have got to get a candle. congratulations, to you. what a great update. that is "the cbs weekend news" for this sunday. coming up tonight on "60 minutes," bill whitaker investigates the vulnerability of america's energy grid. we thank you so much for watching. i'm jericka duncan. have a great week. good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org

live from the cbs bay area studios. this is kpix5 news. now at 6:00, huge crowds of bay area protesters trying to turn up the heat on politicians, demanding the west do more to defend ukraine. and yet another freeway shooting. what we know about the investigation that snarled traffic in alameda traffic for miles. also breaking news in the search for a 2-year-old child that triggered an amber alert in sunny veil. and you can feel the joy, the special parade celebrating black lives returns to downtown oakland, the message organizers are trying to send. good evening i'm brian hackney. >> and i'm juliette goodrich. crowds of protesters flocked to city hall this afternoon to

stand up against the russian attack and kpix5 betty yu was there. >> reporter: hundreds showed up carrying the ukrainian flag and dressed in blue and yellow in support of ukraine and also wanted to demand action. many ukrainians and their supporters rallied to ask the american public to assist ukraine in any way possible. they are urging people to reach out to senators, representatives and speaker nancy pelosi to demand military, financial and humanitarian aid to ukraine. now organizers say they are also pushing for a no fly zone over ukraine to give ukrainian ground forces a fighting chance. we saw people of all ages and many families in attendance this evening carrying signs and protesting the russian invasion. i spoke to one man who just moved to the bay area less than a year ago from ukraine for work. >> i am ukrainian and former military and i support with all

my heart. wo