this is the cbs "overnight news." good evening. thanks so much for joining us on this easter sunday. for many americans, it's been a weekend marked by a return to traditions, but for some, it's been dominated by fear and violence with three mass shootings in two states. more on that in just a moment. but we begin with the battle for ukraine. tonight, russian officials are warning that ukraine's latest fighters in the southern port city of mariupol will be "eliminated" after failing to surrender. the city has been bombarded for weeks now. civilian deaths there are estimated to be in the thousands. ukrainian president volodymyr zelenskyy says the situation in mariupol is, in his words," as

severe as possible, just inhuman." today at the vatican, pope francis used his easter address delivered to the faithful in st. peter's square to call for peace, and even caution the conflict could lead to nuclear war. but the kremlin's forces aren't pulling back. they're preparing for a new offensive. cbs' chris livesay joins us tonight from kyiv. >> reporter: well, the war may be shifting east, but moscow can still attack wherever it wants by air. russia has increased missile strikes here in kyiv, and continues to pound major cities on the frontlines. the killing continues in car sooef. though stunningly not for this person. seven people, including a 7-month-old, died in overnight shelling authorities say. in the besieged eastern city of mariupol, russia has now claimed victory. if true, we may never know the

full scale of horror. but chernihiv in northern ukraine offers a glimpse. it too was encircled by russian forces, cut off from food, water, and electricity for weeks. at the height of the siege, up to 50 people were killed every day. some waiting in bread lines. others as they hid inside of their apartments. and even more died because they couldn't get access to food or water. ukrainian forces dramatically outgunned, pushed the russians back. in one remarkable instance, shooting down this bomber. it crashed into this house, killing one man inside, but shockingly, no more. its payload failing to detonate on impact, landing on nikolai's doorstep instead. "we heard the air raid sirens," he says. "i was just sitting and praying when all of a sudden there was a huge boom and flames." the two pilots ejected.

one survived. and not just anyone. ukrainian authorities say here he is, posing with vladamir putin and his ally, bashar al assad, the president of syria, where this ace carried out air strikes. soon after his capture, russia c forcesrom aajorsekor ru thoughot witut dastati co to ukraine. >> chris joins us now from kyiv. you know, russians say that they are in control of mariupol, the only major port city that they hold. this is a city that had 450,000 people. now down to about 120,000. when you think about that and these numbers, could we expect to see more cities fall in the coming weeks? >> reporter: ukraine contests that. russia had told the city defenders, surrender or die. and so far, they have not surrendered. and if they do, that would open

up a land bridge from crimea to eastern ukraine and raise the specter of even more cities falling to russia. jericka? >> chris livesay and the crew, we thank you for your reporting. president biden returned to washington, d.c. after spending the weekend at camp david. tonight, there are new questions about just how involved the u.s. should be in ukraine. cbs' christina ruffini is at the white house with more. christina, good evening. >> reporter: good evening. members of the president's own party are starting to ask how long the u.s. should let ukraine hold back the russian army on its own. >> the situation in mariupol is most dire, and heartbreaking. the city doesn't exist any more. >> reporter: the ukrainian foreign minister said today russian seizure of the city could mean an end to future negotiations with russia. >> mariupol may be a red line. >> reporter: ukraine says the embattled east will not be able to hold out much longer, against

the larger and more powerful russian military without western weapons. the biden administration is rushing $800 million worth of military aid, including helicopters, howitzers, and ammunition. >> i would like to hear the administration talk about winning and having a sense of urgency on getting these things there. otherwise, this window of opportunity we have, the next couple of weeks, to really disrupt russia's attempt to build up, is going to pass. >> reporter: the democrat chris coons, an ally of the president, says it's time to reconsider sending in u.s. troops. something mr. biden has repeatedly said he won't do. >> i think the history of the 21st century turns on how fiercely we defend freedom in ukraine, and putin will only stop when we stop him. >> reporter: today, the ukrainian prime minister says ukraine will keep fighting. >> we will not surrender, we will not leave our country, our

families, our land. so we will fight absolutely till the end, to we win this war. >> christina ruffini again at the white house. christina, obviously there has been talk of a possible trip to ukraine by the president of the united states. what are you hearing? >> reporter: security personnel at the state department are working with officials to decide if and when it makes sense to send diplomats back into the country. now, if you remember, all the people who evacuated from the u.s. embassy in kyiv went home, but a lot have been working out of poland. so i think you're more likely to see diplomatic officials, maybe even some senior ranking ones go back into ukraine before you would see the president. >> still a very dangerous area. christina ruffini, thank you. a massive container ship stuck in america's largest estuary is finally free. today, the ship was refloated more than a month after it scott stuck in the mud. cbs' scott macfarlane has this update. >> reporter: the cargo ship "ever forward" can finally move

forward. at 1100 feet long, it's nearly as long as the emtire state building is tall. by removing 500 containers to lighten the load and dredging the bay floor and tugging the ship horizontally, "everforward" refloated after dawn. environmental groups worry about the dredging. how uncommon is this? >> this is the biggest ship to ever ground in the chesapeake bay. very uncommon. >> reporter: but not the first time evergreen has had a ship stuck. last year, a ship jammed the suez canal. the coast guard is investigating how the crew missed the turn in the chesapeake and will check for damage to the pull before allowing it to continue to norfolk, virginia. scott macfarlane, cbs news, baltimore. there's a lot more news ahead on the cbs "overnight news."

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this is the cbs "overnight news." >> i'm jericka duncan in new york. thanks so much for staying with us. it is tax day today, and if you haven't filed your federal and state returns, you've got until midnight tonight to get them in the mail, or you could always file them online. even if you do that, it could be a long wait for your refund, because the irs is dealing with the biggest backlog in history, with millions of returns from last year still not processed. the agency expects to get tens of millions of last-minute returns today, and it's encouraging people, if they can, to file electronically. scott macfarlane has the story.

>> reporter: the irs admits it's overtaxed this year, as well, still trying to dig out from last year's tax filings. at one point, they were taking 1500 phone calls per second. dave wineberg is always connected and says he can run his maryland business from his home computer while walking the dog or even on a snowy spring day at the park. so he finds it particularly frustrating he spent so much time on hold trying to reach the irs. >> you can't even get them on the phone three weeks at a time. >> reporter: you couldn't get them on the phone for weeks at a time? >> weeks at a time. it's tax season that's not an excuse. they're chronically underfunded. >> reporter: in a report to dock, the irs acknowledged only 20% of callers have been get through to live irs agents. and that's an improvement over 2021 when just 11% of calls were answered. it comes as the agency navigates what it considers a perfect

storm. more than 3 million tax returns are still being processed from 2021. budget cuts and covid has shrunk staff to 80,000 people, the same level have 50 years ago. while 16 million people still file on paper, which the national taxpayer advocate calls thekryptonite. often, the people processing the paper are the same ones answering the phones. >> on average, we are on the phone 30 to 40 minutes. >> reporter: they are hiring new employees and contractors to lighten the load, but won't see most of the impact until future tax reasons. >> how many more do you need? >> we need thousands more employees coming to join us. we are an aging workforce, and we know that we have to prepare for the future. >> reporter: even as the tax season ends, the irs is hiring thousands of new workers and

having job fair ace cross the country. in a tight job market, it's difficult to find applicants who have a knowledge of the tax code. the irs strongly advises you file electronically and use direct deposit. there's another sign that the covid pandemic is fading. the new york international auto show is back. the annual gathering of carmakers and enthusiasts was cancelled the past two years, but thousands are now making their way back to get a look at the direction of the industry. and by all accounts, the future looks, wait for it, electric. michael george reports. >> reporter: here's something you don't see every day. an indoor test track where you can test drive some of the latest electric vehicles like this one here. it's been three years since the last car show, but finally, the crowds and the cars are back. car lovers are racing back for the new york international auto

show. and it's a long-time coming. >> you know, it's nice to be back to what seems normal now. > reporter: for the past two years, this show had to be canceled due to covid. it was converted into a makeshift hospital. then a mass vaccination clinic. but this year, it's back. and the mood here is electric. >> the big trend of the show this year is electrification. >> reporter: tim stevens says all the major manufacturers are showing off their new electric vehicles. everything from the $27,000 nissan leaf, to the $90,000 nord lightning plat tum, and the porsche with a $185,000 price tag. >> people have only had the choice for tesla for so long. >> reporter: ev has awards for

many things, including car of the year. how is the acceleration on this? >> pretty good. 0 to 60, 5.2 seconds. >> reporter: the ionic starts at just under $44,000, a high tech dash and travels 300 miles on a charge. >> it looks like nothing else on the road right now and it drives really nicely, too. >> reporter: new york city's new fleet of evs, including a street sweeper soon to hit the city streets. or how about a tesla taxi. able to drive two full days on a single charge. the auto industry, charging forward to an ev future. >> that again was michael george reporting from the javet center in new york city. the "overnight news" will be back in two minutes.

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well, millions of american families, including mine, will be waking up today to colored eggs and chocolate bunnies left over from easter sunday. most of the candy kids get these bays on the hidays are pretty t there's company in california using technology to make candy into edible art. of course, jamie gets all the good stories and has this one for you. >> reporter: in the modern world, we hear the term "3-d printing" so frequently, it's almost meaningless. but here in downtown los angeles, 3-d printing is creating something very specific. and sweet. >> a lot of these designs, you have like -- we have inspiration from chefs or just we kind of have some craziedy ideas in the

lab. >> reporter: sugar lab creates small, beautiful, detailed sculptures, every one of them edible. william hu showed us some highlights, like these cake toppers. tiny bites of a latte filled with ginosh. i've got chocolate, pepper mint flavor in here. craft beer bonbons. the visual on these is incredible. >> we made very poply labels, and with the shadows, we wanted to emphasize the little pop top on top. >> reporter: and they even add an element of fun and sparkle to drinks with these glitle ter bo.

>> it's melt thing with glitter. >> that's just fun to watch, much less drink. cheers to your creativity. >> cheers. thank you. >> reporter: like many revolutionary ideas, the whole thing started almost by accident. in the college apartment of carl, who was studying architecture. >> i was basically grocery shopping with my wife, and we brought home some cake batter, like in a box, and we get into our tiny grad student apartment and we realize we didn't have an oven. so there was no way to bake it. and we thought, what would bit like to use these 3-d printer and pour in sugar, could you print frosting? would you add color? >> reporter: after some experimenting, his vision grew beyond the existing capability. >> we always said the technology couldn't go much farther unless we did a lot of homework and

developed a 3-d printer from scratch, which would require a lot of innovation and invention. >> reporter: that's when he brought in chief operating officer meegen bozeman. 3-d printing was the focus of your life at the time. what did you think when you heard about? >> it was a market that hadn't been tapped into, and the technology was something that could deliver a whole new product in a whole new way. >> reporter: to see that firsthand, i donned a hair net, required around the equipment, and toured the sugar lab itself. so victoria, this seems like a fun job in the culinary world. >> it absolutely is. and easily the most interesting and different thing i've ever done. >> reporter: chef victoria johnson walked me through the process of printing some of the delectable creations. starting with the computer design. >> i am reconfiguring the straw we are yis.

>> reporter: then to where the magic happens. >> i'll show you. we've got to get all of this powder out of here. i know where these are, but i will show you. >> you've done this a lot. >> and that's it. that's the whole thing. but you can see it's covered in powder. so we always give it a little tap to get all of the powder out of the inside. >> that's truly surprising, i have to say, to watch, the color, the texture just rise up. >> reporter: with the right blend of creativity and technology, sugar lab got the attention of the culinary community. how important was it to involve chefs in this process? >> it's been critical. the people that we asked were pastry chefs. they were our first clients. >> nobody would want to buy these if they were not delicious. so the chefs help us bridge that from beautiful, to beautiful and

delicious and an experience that people have not had before. >> reporter: and collaborations with chefs have led to innovative and even savory uses of the technology. like this 3-d printed quail egg. and las vegas french chef's hyper realistic honeycomb. >> they see something they've never eaten before, and they're surprised with the filling, goat cheese mixed with other ingredients that he bakes and serves, and it's an meal nor customers. >> reporter: carl still sees a bigger future for the dream that started in that college apartment. where do you want this to go? >> i would love for this to expand across the country into other countries. >> increasingly urbanized united states where food scarcity issues could come up, being able to have those local ingredients

and print with 3-d printers could make a big difference, and we want to make sure the technology is out there and distributed widely enough that (dr. david jeremiah) there may have never been another time in history when end times prophecy has been more aligned with the culture and circumstances of the world than it is today. i believe there are ten phenomenon we are witnessing today that were recorded centuries ago in bible prophecy. (male announcer) join dr. david jeremiah in his new series, "where do we go from here?"

on the next episode of "turning point." right here on this station.

so many people are taking and posting selfies these days, that it's inspiring a whole new industry. the selfie museum. they're opening up across the country, and around the world. true story. tina krause reports from london. >> reporter: in a world where likes and followers are a social currency, selfie museums are cashing in on the concept. >> it's an interactive museum where you create the art you want to see. >> reporter: visitors to the museum in stockholm, sweden, can capture themselves in a pool of candy colored foam or strike a pose in the emoji room. >> you can create cool content for your instagram or your facebook or if you do tiktok, this is the perfect place to do tiktok. >> reporter: shamy ouchy and her friends are hooked.

>> oh, my gosh. >> reporter: the interactive idea is generating likes around the world. hollywood's museum of selfies opened a few years ago. now other big cities in the u.s. are catering to social media influencers. >> i think that's the way the world is now. >> reporter: 70-year-old bill bir birdwinkle is embracing the trend with his niece. >> taking wild foetdos is good. >> reporter: and for a selfie generation, where image is everything, creating the coolest content wins. tina krause, cbs news, london. >> and that is the "overnight news" for this monday. for some of you, the news continues. for others, check back later for cbs mornings, and follow us online any time at cbsnews.com. reporting from the broadcast center in new york city, i'm jericka duncan.

this is cbs news flash. i'm elise preston in new york. an estimated 100,000 people remain stranded in the besieged city of mariupol. they are trapped without power and water. the ukrainian port city had a population of 450,000 before the russian invasion. the deadline to file 2021 taxes is monday. those who request an extension will have until october. but if they owe money, it will . for the first time since the pandemic began, boston marathon runners will take to the course on patriots day. 30,000 runners from 122 countries will compete in this year's boston marathon. this year marks the 50th anniversary since women began competing officially. 12,000 female runners are

registered. for more news, download the cbs news app on your cell phone or connecttv. i'm elise preston, cbs news, new york. it's monday, april 18th, 2022. this is the "cbs morning news." >> the situation in mariupol is both dire militarily and h heartbreaking. >> last stand. the ukraine port city of mariupol is close to falling. the ultimatum soldiers rejected after weeks of heavy attacks from russia. booster shot uncertainty. with the ba.2 subvariant spreading, who should get a fourth jab against the virus. a top white house official weighs in. celebrating easter. how americans returned to the pre-pandemic ways of spending the holiday weekend. good morning. i'm diane king hall in for anne-marie green.