FILE - In this May 28, 2014, file photo, Hipolito Mora, leader of a Michoacan vigilante group, participates in a national meeting of self-defense groups, in Mexico City. Mora, a founder of one of the groups that rose up to confront drug traffickers in the state more than a year ago, said Tuesday Dec. 16, 2014, in a television interview that his group was attacked by a heavily armed rival. The clash occurred at the entrance to the town of La Ruana. Mora said that five or six people were killed, including his son. (AP Photo/Rebecca Blackwell, File) (The Associated Press)
MEXICO CITY – A clash between two rival "self-defense" groups in the western state of Michoacan on Tuesday left six people dead, including the son of one of the group's founders, officials and militia members said.