Biden: Nato has never been more united

Nato leaders approve major increases of the alliance's forces in eastern Europe as Russia attacks Ukraine. We hear from a woman returning to the bombed city of Mariupol who says her neighbour died and her corpse is "lying there". Also in this programme: the Ethiopian government declares an indefinite humanitarian truce - so will aid now flow freely into the northern region of Tigray? (Photo: US President Joe Biden attends a European Union leaders summit in Brussels. Credit: Reuters Johanna Geron)