Indian policemen fire purple colored water from a water cannon on Kashmir government employees during a protest on April 06, 2011 in Srinagar.
Demonstrators are sprayed with a water cannon by Israeli border police during a protest against Israel's separation barrier in the outskirts of the village of Bil'in, near the West Bank town of Ramallah, August. 18, 2006.
Riot policemen use water cannons to disperse thousands of protestors during a demonstration, October 23, 2006, in central Budapest, as Hungary commemorates the 50th anniversary of its 1956 anti-Soviet uprising.
Police shoot water cannons as Jammu Kashmir state government employees shout anti government slogans during a protest outside the civil secretariat in Srinagar, India, May, 5, 2008.
Riot police fire water cannons towards protesters during a rally against U.S. President George W. Bush's visit on August 5, 2008, in Seoul, South Korea.
Ugandan opposition politician Olara Otunnu is shielded by his supporters during an attack with water cannon by Ugandan police after he refused to stop his protest march through central Kampala, May 10, 2011.
Anti-riot police officers use colored water to disperse opposition supporters in the Kireka area on the outskirts of Kampala on August 17, 2011. Ugandan police fired teargas and water cannon to disperse opposition supporters who had gathered in a Kampala suburb on Wednesday to mourn people killed during demonstrations earlier this year, witnesses said.
Police spray Ugandan opposition party leaders with colored water during demonstrations in Kampala.
Kashmiri government employees are sprayed with purple colored water by Indian police to disperse a protest in Srinagar on May 9, 2012.
Indian police in Srinagar on May 9, 2012 used a water cannon and batons to disperse hundreds of government employees while detaining dozens as they attempted to reach the civil secretariat