faces as soon as they saw on the bus, they were all waving. i m just glad they re safe. i m just glad they re safe. reporter: these kids now on their way to lviv. but for many ukrainian leaders like kim, they say their only choice is to stay and fight. do you ever think about leaving? would you ever leave? i thought about leaving, but i don t i can t do this because this is my city, my region and they are my people and my land. so i can t do this. that defiance we ve seen over and over again. let s get to maggie rulli in lviv. maggie, safely evacuating civilians from these besieged cities is still a concern. but you are learning about desperate efforts to get much needed aid into those areas. reporter: yeah, whit. there are still hundreds of thousands trapped in cities. tonight, in a last-ditch effort, president zelenskyy has announced that priests have volunteered to lead a humanitarian convoy into that hard hit city of mariupol. they re essentially using themselves as human
stronghold just east of odesa, more rounds of shelling. video circulating on social media showing several explosions near an apartment complex there today. blasts also striking near a playground as a man ducks for cover. the region s governor vtaliy kim sitting down with us remotely just moments after his city came under fire overnight. we have been shot, bombed in a rocket attack. we have damages in the private sector, the civilian sector, damages in electricity, heat, and gas. reporter: ukrainians say the blasts hit a cancer hospital with several hundred patients inside. we have no choice. we have to fight. reporter: with mykolaiv under fire, a daring operation by aerial recovery mission, an american organization that s working alongside the ukrainian government. 35 orphans picked up under the cover of darkness, after spending eight days trapped hiding in a bomb shelter. you could see it in their