PIEDRAS NEGRAS, Mexico — Gunmen stormed a party in northern Mexico on Sunday and massacred 17 people, authorities said.
The gunmen arrived at the party in Torreon in several cars and opened fire without saying a word, the Coahuila state Attorney General's Office said in statement. At least 18 people were wounded.
Several of the victims were young and some were women, but their identities and ages had not yet been determined.
Investigators had no suspects or information on a possible motive.
Police found more than 120 bullet casings at the scene, most of them from .223 caliber weapons.