The attack took place in the municipality of Cortazar, Guanajuato, on the last day of the spring school vacation period.

Upon arrival, the municipal security found the remains of three women, three men and one child under seven years old, along with the injured person who was taken to a hospital, the statement said.

Witnesses said a group of hitmen with automatic rifles arrived at the scene and opened fire.

Guanajuato authorities said an operation has been deployed in the area with public security forces and, as of late Sunday, April 16, no arrests had yet been reported.

During the two-week Easter Spring Break holiday season, Mexico experienced a particularly high incidence of violent crimes, with more than 500 homicides registered nationwide, with a very high occurrence of  violence at tourist centers and beaches.