community, entered the school with a handgun and possibly a rifle it appears he was killed by officers who responded to the shootings. president biden addressed the nation a short time ago more on his message in a moment this comes just ten days after the mass shooting at a supermarket in buffalo in which ten people were killed. one more horrific and stunning act of gun violence in a nation so weary from it we begin with morgan chesky in texas. reporter: lester, every update that s come in today on this story has only brought more heartbreak for this tight-knit community of only about 15,000 people. tonight, a massive law enforcement presence has descended on this small town, and it is converging on robb elementary school behind me. covered up in crime scene tape as investigators scour this area for evidence and try to find what caused thi 18-year-old gunman to go inside and open fire reporter: tonight, at least 21 live have been cut short. according to the state senator
russia has taken control of half the town the chaplain was looking for ukrainian civilians to evacuate. further down the road we met some. oleksandr was escaping lyman with his family. we were hoping the russians wouldn t enter the town, but then we had to leave the town doesn t exist anymore, he says, before they left to catch a train out of the region russia is interested in lyman a small town for one reason, range. if russian forces take lyman, it puts two ukrainian cities, slaviansk and kramatorsk, within striking distance of russian artillery. walking in artillery is russia s main tactic now it s destructive, simple, and proving effective. so is russia s other tactic, blockade russia s takeover of large parts of southern ukraine and warships in the black sea are cutting off ukraine from selling its main export, grain. and these satellite images ukraine says