U.N. monitors in Syria found themselves caught in the middle of a protest at Aleppo University. Video posted to a social media website shows people attacking each other in the streets.

Reuters cannot independently verify the content of this video or other video purporting to show heavy shelling in the central Syrian town of Rastan

The country is five weeks into a ceasefire deal - brokered by U.N. and Arab League envoy Kofi Annan - that calls for the release of political prisoners and allowing peaceful protests.

Deborah Gembara, Reuters