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
KUALA LUMPUR Four North Korean suspects in the murder of the estranged half-brother of North Korean leader Kim Jong Un fled Malaysia on the day he was attacked at Kuala Lumpur airport and apparently killed by a fast-acting poison, police said on Sunday.