AL QAEDA-linked Abu Sayyaf rebels may have planted a bomb that injured three people in a shopping mall in the southern Philippines as part of an extortion attempt, a police official said Friday. A soda can packed with black powder and attached to a wrist watch exploded at a baggage counter in Kim San Plaza in Tacurong City in Sultan Kudarat province on Thursday, slightly injuring two shoppers and an employee, police said. Full Story