Protestors clash with Turkish riot police during the May Day rally in Istanbul, Turkey. Turkish police and protesters clashed in central Istanbul on May 1 after authorities moved to prohibit traditional Labour Day rallies at Taksim Square. Police used water cannons and tear gas against the demonstrators near Taksim Square. Witnesses reported clashes in several neighbourhoods in the area. Filipino activists and workers burn an effigy of Philippine President Benigno Aquino III and US Uncle Sam during a protest rally marking International Labor Day outside the gate of Malacanang presidential palace in Manila, Philippines, on May 1. Thousands of Filipino workers hold Labor Day protests in Manila calling on Philippines President Benigno Aquino III for an immediate wage hike due to increasing cost of living. An elderly Russian Stalinist stands in front of a column of demonstrators with a portrait of Stalin during a traditional May Day communist demonstration, in Moscow, Russia. People from around the world are marking May 1 (May Day) as International Labour Day.