Central part of the state, fueled in part by those subvariants, but so far, say there s no evidence that they cause more severe illness. david? we ll be tracking it for sure. eva, thank you. overseas tonight and to the war in ukraine. and tonight, new evidence of potential cluster bombs being used by the russians. what the u.s. is now sending to help ukraine. james longman from kyiv again tonight. reporter: tonight, disturbing new video from kharkiv in eastern ukraine appears to show what military experts say are cluster bombs being used to attack the city and terrorize civilians. in response to the russian onslaught in the east, the u.s. is putting more weapons in the hands of ukrainian fighters an $800 million package, including long-range artillery systems, which are being sent to ukraine for the first time, ammunition, and armored personnel carriers, too. and there will be more help in the skies additional helicopters now going in, as well. he failed to take kyiv, but