today, leaders of the western military alliance nato pledged more military aid to ukraine at an emergency summit in brussels. inside ukraine, the war rages. we begin with a special report from kharkiv a city which has faced endless russian missile strikes and shelling. 0ur correspondent quentin sommerville and cameraman darren conway have spent time with two fighters who ve been at the frontline a month of fighting alone. and russian guns still haven t silenced ukraine s cry for freedom. at the kharkiv philharmonic, maria baranovska may not have an audience, but this is not a city abandoned, only a city half gone. she remains here with her ten month old boy. staying is her duty.