world news tonight with david mier is coming up next. >>> tonight, several developing stories. vladimir putin and what he's now done in mariupol around that steel factory full of ukrainian fighters and sil yans. >>> and here at home, we press dr. jha in his new white house role on this mask confusion. could this have been avoided? and are masks coming back for travel? >>> first, the war in ukraine. president biden tonight issuing $800 million in military aid, $500 million to keep the ukrainian government running. and tonight here, the weapons. dozens of howitzers, 121 new tactical drones. putin tonight claiming victory in mariupol. what president biden is saying about that. james longman with ukrainians tonight, their harrowing stories. what they faced from the russians as they tried to get out of mariupol. and martha raddatz

world news tonight with david mier is coming up next. >>> tonight, several developing stories. vladimir putin and what he's now done in mariupol around that steel factory full of ukrainian fighters and sil yans. >>> and here at home, we press dr. jha in his new white house role on this mask confusion. could this have been avoided? and are masks coming back for travel? >>> first, the war in ukraine. president biden tonight issuing $800 million in military aid, $500 million to keep the ukrainian government running. and tonight here, the weapons. dozens of howitzers, 121 new tactical drones. putin tonight claiming victory in mariupol. what president biden is saying about that. james longman with ukrainians tonight, their harrowing stories. what they faced from the russians as they tried to get out of mariupol. and martha raddatz standing by tonight on what these weapons being sent to ukraine can do. >>> back here at home tonight, the masks have come off for travel, but the justice department is now appealing. so, we press dr. jha tonight, now the white house covid-19 response coor