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Amateur videos posted on social media websites purport to show the human toll of Syria's ongoing civil war.
The videos could not be independently verified by Reuters.
One video appears to show the immediate aftermath of aerial bombing in a town in Deraa.
People scramble over rubble to reach the dead and wounded.
In another video, rebels appear to be fighting back against government forces.
This clip shows bloodied men and children being treated by doctors after a reports of midnight shelling by government forces in an Aleppo suburb.
On Monday, the UN Security Council authorized humanitarian access without consent of the Syrian government.
This clip appears to show aid being delivered to tens of thousands of besieged Syrians in a Damascus suburb that same day.
At least 160,000 people have died in Syria's civil war, now in its fourth year.
The U.N. has said about 10.8 million Syrians are in need