A bomb believed rigged to a motorcycle exploded outside a bank in southwestern Pakistan and wounded 21 people Friday, one critically, a medical official said. It was unclear who was behind the bombing outside a branch of the state-owned Allied Bank Ltd., which was open at the time, in Quetta, the capital of insurgency-wracked Baluchistan. “So far I can only confirm that the bomb was planted outside the bank, but we don’t know who carried out this attack,” said Zahid Afaq, Quetta’s deputy police superintendent. Full Story