Russia blames Ukrainian far-right nationalists for theatre attack

We’ll get the latest from Mariupol where many hundreds are feared dead after a bomb attack on a theatre where many hundreds of people were sheltering, including children.

We'll hear about the children fleeing Ukraine and the impact of the war on them.

And the two British-Iranian nationals, Nazanin Zaghari-Ratcliffe and Anoosheh Ashoori, are back in the UK after being freed from years of detention in Iran.