A group of armed men blew up an ambulance Friday, apparently with a grenade, to kill a rival who was being transferred from one hospital to another, officials said.

The state attorney general’s office in the western Mexican state of Michoacan said the ambulance had just left the Hospital Civil in the town of Uruapan to take a 24 year-old-man to a hospital in the Michoacan capital Morelia, about 300 kilometres west of Mexico City.

The man had been injured Sunday in a shootout, allegedly with a rival group.

Read full article: Earth Times.