Two suicide attackers blew themselves up at a Sufi shrine in Pakistan on Sunday, killing at least 40 people, according to police officials. Over 100 people, including children and women, were injured in the blasts. The attack took place at the shrine of a popular Sufi cleric Sakhi Sarwar in the remote town of Dera Ghazi Khan in Punjab Province. An annual fair was underway and hundreds of devotees were present at the shrine when the bombers detonated their explosives. According to police officials, the attackers were unable to enter the compound due to strict security arrangements.