 A shootout on a northern Mexican highway left 10 suspected criminals dead and four police officers injured, authorities said late on May 29. Police officers managed to kill 10 heavily armed suspected criminals on the Monterey Nuevo Laredo Highway, an official statement said. The clash took place Monday afternoon after officers were attacked, it said. For police officers were injured, the statement added, though all were reported to be in stable condition. The authorities said they seized 12 large-caliber weapons, grenades, 100 pieces of ammunition as well as three armored trucks. The shootout comes as the country struggles with drug cartel violence and a high homicide rate. In the central Mexican state of San Luis Potosí early on Tuesday, two members of the armed forces were killed in an attack by suspected organized crime members, according to a separate statement by authorities.