allies announced new sanctions against russian lawmakers and a billion dollars in humanitarian aid to ukraine. but it's all fallen far short of what ukraine's president zelenskyy is pleading for, including tanks, fighter jets and anti-ship weapons. tonight, some republicans saying president biden is still not doing enough >> he has this tendency to let the bad guy behave poorly first, and then come in we should have gotten more lethal weapons systems into ukraine when it was easy, rather than waiting for the invasion to happen >> reporter: tomorrow president biden will meet with refugees here in warsaw and then deliver what the white house is calling a significant address about what's at stake. lester >> kristen welker, thank you. in ukraine, russian forces are surrounding a city in the north as new images emerge in that brutal missile strike on civilians sheltering in a mariupol theater ukrainian officials now saying hundreds were killed. richard engel is in ukraine.