Gunmen stormed a rural town in southern Mexico and killed 13 people, while the US government warned Americans against traveling to cities in a northern border state where shootouts have left slain 19 people over three days.
Hooded assailants in several cars killed nine police officers at a checkpoint in San Vicente Camalote, a town in southern Oaxaca state, state deputy attorney general Netolin Chavez said Wednesday. (AP)













