 The attack targeted the barracks of security personnel, as well as civilians in the area, who were gambling ahead of the Diwali holiday.Police said they suspected the headquarters of the 20th Battalion, Assam Rifles, and the Manipur police commando complex, where personnel live with their families, were the targets of the attackers.The blast came just two days after an explosion near the Manipur Chief Minister Okram Ibobi Singh's official residence in the capital.