At least 28 killed in bloody Mexican prison fight

By Uriel SanchezACAPULCO, Mexico (Reuters) - A brutal fight broke out in a prison in the Mexican Pacific resort of Acapulco on Thursday, leaving at least 28 inmates dead in one of the worst outbreaks of violence in the country's troubled penal system in recent years.Acapulco is the biggest city in Guerrero, one of Mexico's most lawless states and a center of opium poppy production that has been a major concern to U.S. officials.The prison carnage was particularly embarrassing to Mexico as it cam