May Day General Strike
California Highway Patrol officers take positions at the Golden Gate Bridge in anticipation of May Day demonstrations in San Francisco, California May 1, 2012. Authorities anticipated demonstrators would shut down the bridge, but agreement was reached to prevent that action. REUTERS/Robert Galbraith
BEIRUT Nearly 30 air strikes hit rebel-held areas of Aleppo on Saturday as a temporary "calm" declared by Syria’s military took effect around Damascus and in the northwest.