At least 28 people were killed and 218 others injured after multiple blasts rocked Lahore, Pakistan. The three explosions went off during a Shiite procession in a radius of about 600 meters (2,000 feet). Though the nature of the first and third blasts is not known, the second blast is thought to be the work of a suicide bomber, whose head was found at the scene. Extra security measures had been put in place for the procession, but Khusro Pervez, a senior government official, says, “It was a security lapse. At the end of the procession, security should have been more vigilant.” Pakistan is a largely Sunni Muslim nation, and the attack on Shiite Muslims conjures the long-standing tensions between the two groups in the Middle East and Asia.