An attack by an outlawed pro-Iran Nigerian Shia group on Sunday killed at least two law enforcement officers, police said, with three more found unconscious in the capital Abuja. The capital’s police force confirmed “an unprovoked attack by the proscribed Islamic Movement of Nigeria (IMN)… on some personnel of the Nigeria Police Force,” said a statement by police spokeswoman Josephine Adeh. During the attack on a police checkpoint, “two police personnel were killed, three left unconscious in the hospital, and three police patrol vehicles set ablaze,” Adeh added. Inspired by the Islamic Revol…