doctor jennifer cassidy, from the - jennifer cassidy, from the university of oxford, thank you for joiningkey after a prisoner swap. the men had been detained for over a year, following the fierce and prolonged battle for control of the azovstal steel plant in mariupol. moscow has condemned their release, saying the move breaks the terms, of the prisoner swap deal. gordon corera, has more from kyiv. ukraine's president welcoming home five commanders at a ceremony in the city of lviv. translation: they were fighting for ukraine. - they survived russian captivity. they spent over 300 days in turkey. it is time for them to be home. the returning men were greeted by their families. translation: from today onwards, we will continue | the fight together with you. we will definitely have our say in the battle. with each day passing, we are advancing, destroying the enemy. the five had spent three months defending the vast azovstal steel plant in the city of mariupol, holed up in bunkers and tunnels, keeping the russians at bay. finally, the men had been ordered to surrender. under a prisoner swap