Violence erupts in Syria despite calls for tough U.N. steps

(CNN) -- Syrian protesters gathered Friday for demonstrations that were met with armed resistance from government forces, opposition groups said.

Security forces in Aleppo used gunfire and tear gas on demonstrators, injuring four, the London-based Syrian Observatory for Human Rights reported.

In Daraa province, forces fired at protesters to disperse them, said the Local Coordination Committees of Syria, another opposition group. Read More