Three Islamic State suicide bombers targeted a police base in Iraq’s western Anbar province with explosives-laden Humvees on Monday, killing at least 41 police and Shiite militiamen, officials said. The attack on a police station in the Tharthar area north of the ISIS-held provincial capital, Ramadi, caused a large secondary explosion in an ammunition depot, the officials said. Another 63 security forces members were wounded in the attack.Hospital officials confirmed the casualties. All officials spoke on condition of anonymity because they are not authorized to brief the media.