Colombian president Juan Manuel Santos ordered a resumption of air raids on FARC camps, after 10 members of the military were killed in a confrontation with rebels. The number of mexicans without potable water increased to half a million after an oil spill in the southeastern state of tabasco. Protests in over 230 U.S. cities called for the minimum wage to be increased to $15-an-hour. Sudan has extended voting in the country's general elections due to low turnout. South Korea marks one year since the Sewol ferry capsized, killing 300 of the 476 people on board.