UN humanitarian chief Valerie Amos has expressed deep disappointment after an aid convoy came under fire in a besieged district of the Syrian city Homs, though she vowed to keep pushing to deliver humanitarian assistance to Syria's neediest.
Turkey has grounded a Syria-bound plane for a cargo check, but cleared it for departure after discovering it was only carrying blankets, an official says.
The International Federation of Red Cross and Red Crescent Societies has warned that one million people in Syria remain without food.