Unknown assailants ambushed members of the municipal police in Aquila, Michoacán, while the officers were on a surveillance tour along a coastal road.
With high-power firearms, the assailants attacked suddenly from a hill and injured six officers, and leaving one in critical condition.
A fellow agent of the ambushed police died on the same coastal road on Sept. 27. The incident occurred south of the town of Aquila, Michoacán.
The municipal police called for radio support and a short time later received it. Three of the injured were taken to hospitals in the region to receive further medical attention, while the rest were treated at the town hospital. Nothing is currently known about the aggressors, though an investigation has begun.
The police were on their way to attend reported highway robberies.