Clashes between security forces and gang members in Guatemala's capital on Sunday killed seven officers, authorities said, shortly after police in the country's southwest regained control of one of three maximum security prisons where inmates rioted and took hostages the night before. The attacks on police in and around Guatemala City came after hundreds of anti-riot police stormed Renovacion prison in Escuintla, about 76 km southwest of the capital, to free nine guards who had been taken hostage there. Jailed gang leaders often order members outside the prison walls to carry out retaliatory attacks. Gunshots rang out as riot squads swept into the facility that houses gang leaders. About 15 minutes later, an Associated Press journalist saw the freed guards being escorted from the prison. They appeared to be unharmed. No injuries or deaths were immediately reported. But over three dozen guards were still being held Sunday at two other prisons, authorities said, where inmates took ..