this is bbc news — welcome if you're watching here in the uk or around the globe. i'm jane hill. our top stories — ukraine's president says his country is on the verge or surviving its war with russia. is on the verge of surviving its war with russia. the ukrainians say they've carried out a series of successful counter—attacks against the russian invaders. but there's still heavy fighting on several fronts, and military experts believe russia will continue its indiscriminate attacks. the world health organisation says half a million ukrainians who've fled the country are traumatised. i'll be speaking to who's europe director live from moldova. also in the news, we meet a group of volunteers in belarus preparing to join the fight against russian forces in ukraine.