Eleven people died at the scene , and the other four died en route to the hospital . Prosecutors said at least 10 gunmen stormed the Chihuahua bar Friday night . The attack left six people dead and seven others wounded, including a police officer, authorities said. The gunmen were dressed in police uniforms , state prosecutors said .
Prosecutors said at least 10 gunmen stormed the Chihuahua bar Friday night . The attack left six people dead and seven others wounded, including a police officer, authorities said. The gunmen were dressed in police uniforms , state prosecutors said .