By ASIF SHAHZAD A suicide bomber detonated his explosives outside a large gathering of Shiite Muslims in the capital of Pakistan-controlled Kashmir on Sunday, killing five people and wounding 80, said police.The attacker blew himself up as police tried to search him at a checkpoint set up outside the event - part of the annual commemorations of the seventh century death of the Prophet Muhammad's grandson - said police officer Tahir Qayum.