A man fires his pistol in the air during a celebratory rally after the United Nations approved a no fly zone over the country on March 18, 2011 in Tobruk, Libya. Libya declared an immediate cease-fire after the UN vote but reports indicate that Muammar Gaddafi's forces were still shelling two cities. (Photo by Joe Raedle/Getty Images)

People gesture and hold a flag during a celebratory rally after the United Nations approved a no fly zone over the country on March 18, 2011 in Tobruk, Libya. (Photo by Joe Raedle/Getty Images)

Rebel supporters cheer during a celebratory rally after the United Nations approved a no fly zone over the country on March 18, 2011 in Tobruk, Libya. (Photo by Joe Raedle/Getty Images)

A young girl flashes the victory sign during a celebratory rally after the United Nations approved a no fly zone over the country on March 18, 2011 in Tobruk, Libya. (Photo by Joe Raedle/Getty Images)

Children join in on a celebratory rally after the United Nations approved a no fly zone over the country on March 18, 2011 in Tobruk, Libya. (Photo by Joe Raedle/Getty Images)

People watch a celebratory rally taking place after the United Nations approved a no fly zone over the country on March 18, 2011 in Tobruk, Libya. (Photo by Joe Raedle/Getty Images)