Five inmates killed in Mexico prison brawl: officials

Brawling inmates at a Mexican prison beheaded and mutilated their rivals Thursday, leaving five dead and one wounded, officials said.The pre-dawn brawl erupted in the maximum-security wing at the CERESO federal prison in Acapulco, a resort town on Mexico's Pacific coast that has been hit by grisly violence between warring drug cartels in recent years.The victims were stabbed and beaten to death, said Roberto Alvarez, security spokesman for the state of Guerrero.