The first incident occurred at around 5:30 p.m. local time in the small town of Santiago, Nuevo Leon, when a group of gunmen carrying AR-15 and AK-47 rifles attacked two men traveling on a truck. No further details were available, but the two men reportedly died during the attack.
In Santa Catarina, initial reports confirmed that a Mexican Federal Police convoy confronted several gunmen of an organized crime group who conducted the attack in an attempt to free four drug dealers, who had been previously captured.
Santa Catarina's Secretary of Security, Rene Castillo, said two federal police officer suffered injuries during the attack. Both officers were transported to a local hospital where they have been reported to be in stable condition.
A third incident was reported at around 8:20 p.m. local time when another group of armed men attacked and killed a traffic officer in Apodaca, Nuevo Leon. The officer was on his motorcycle when the group of men fired against him.