The Syrian Arab Red Crescent recently estimated that 2.5 million people have been displaced within the country.
More Red Cross and Red Crescent volunteers have been killed in this conflict than in any other since records have been kept.
The head of Iran's Red Crescent rescue corps, Mahmoud Mozafar, said communications to the stricken areas have been cut.
Red Crescent n.
A branch of the Red Cross organization operating in a Muslim country.
The crescent-shaped emblem of such a branch.