Thousands of Californians enjoyed Cinco de Mayo at the beaches and in the streets, but the celebrations turned violent in some areas, leaving 13 people dead, authorities said.

Among the victims was a man who was stabbed to death at a festival in San Francisco; a 24-year-old man who was fatally shot in a drive-by shooting in Los Angeles; and a 15-year-old girl who was shot in the head in Long Beach, police said.Cinco de Mayo, the fifth of May, celebrate's Mexico's victory over invading French troops in the Battle of Puebla in 1862.