The BBC's Tom Burridge reports from Shyrokyne, close to the key port city of Mariupol in eastern Ukraine, where he hears a "constant barrage" of mortars from pro-Russian troops on Ukrainian army positions, despite the ceasefire agreement.
Russia's War Against Ukraine
BBC: Ukraine truce – shelling ‘an everyday occurrence’ near Mariupol (VIDEO)

OSCE representatives walk on streets damaged by shells in Shyrokine near Mariupol in Donetsk Oblast on April 16.