LAHORE: Police said on Thursday that it had arrested the suspected mastermind of a suicide bombing at a mosque last year that killed 28 Shias. The suspect, Imran Bobi, was arrested after a gun battle on Wednesday that left one militant dead at a house in Lahore, local police officer Babar Ashraf said. "Terrorist Imran Bobi has been arrested from the area of Kot Lakhpat," he said. "He was the mastermind of the suicide attack in a Shia mosque in Sialkot," he added.Imran Bobi, described as a religious militant trained in Afghanistan, had helped plan the October 2004 attack on a Shia mosque in Sialkot that killed 28 people, he said. He had also been involved in a sectarian attack in Lahore the same year in which four people, including the suicide bomber and a police guard, were killed. Ashraf said the militants opened fire when police and secret service agents raided the house on Wednesday. In the ensuing gun battle, police killed Imran Bobi's accomplice Muhabbat Khan and captured Bobi.