Suspected associate of El Chapo's sons flees Mexico City prison

Three prisoners wanted by the United States for their links to drug trafficking, including an alleged associate of the sons of Mexican drug lord Joaquin "El Chapo" Guzman, on Wednesday escaped from a Mexico City prison, authorities said.Mexico and the United States, its most important trade partner, have been looking for ways to address the escalating security situation as well as clamp down on illegal drug and arms trade.Mexican authorities said the prisoners escaped from a penitentiary in sout