A UN convoy delivering aid to the rebel-held Eastern Ghouta area of Syria has cut short its mission and left the enclave amid shelling.<br />Activists said dozens of people died in air strikes by Syria's army on Monday, despite a supposed five-hour truce.<br />A UN refugee agency official said the convoy - the first since mid-February - delivered as much as it could in the Douma town and left after nearly hours.<br />But the UNHCR said 10 out of more than 40 trucks had not been emptied.<br />At least 719 people have been killed in recent weeks, many of them children.
