Two bodyguards were killed Tuesday in an attack on the public safety secretary of the northern Mexican town of Gran Morelos, the Chihuahua state government said.

Miguel Angel Gomez Carrera, his wife and the couple’s two young children were wounded in the assault, which took place in Chihuahua city, the state capital.

All four members of the family are listed in serious but stable condition at a hospital in the city, state Attorney General’s Office spokesman Carlos Gonzalez told Efe.

Gomez Carrera and his family traveled in one vehicle and his escorts, identified only as a man and a woman, accompanied the secretary in a pickup truck.