At least 17 people were killed and 17 injured in a northern Mexican state on Sunday, when a group of armed miscreants fired at people attending a party, authorities said.
The attackers arrived in five vehicles at around 1.30 am and began shooting at the people attending the party in in San Luis in Coahuila state, Xinhua reported citing a statement from the Prosecutor General's Office of Coahuila.
The victims were around 20 to 40 years old, police said, adding that the toll may increase as some of the injured are in critical condition.
The motive of the attackers was still unknown, police said.