is in turmoil, with civilians being allowed safe passage to escape in some cities while, in another, a hospitalfor children and pregnant women is bombed. ukraine is having to lurch from apparent lulls in the conflict to being the target of ruthless violence, and no—one knows when this is going to end. well, for now, that is all from me and the team in lviv. now it's back to huw in the studio. reeta, many thanks. and thank you to the team in ukraine. the uk's visa scheme for refugees fleeing the war in ukraine has been branded "a shambles" and "totally chaotic" by the government's critics. some mps say those seeking sanctuary are being held up by bureaucracy or turned away, and they've been heavily critical of the home office response to the crisis. borisjohnson says almost 1,000 visas have now been approved, but there are at least 22,000 applications yet to be processed. 0ur correspondent mark lowen reports