Syria aid still stalled after U.N. resolution

BEIRUT (Reuters) - World powers have passed a landmark Security Council resolution demanding an end to restrictions on humanitarian operations in Syria, but aid workers doubt it has the punch to make Damascus grant access and let stuck convoys deliver vital supplies.

President Bashar al-Assad's administration and to a lesser extent rebels fighting to overthrow him have been accused of preventing food and medical care from reaching a quarter of a million people in besieged areas.