PESHAWAR, Pakistan, Dhu-AlHijjah 16, 1432, Nov 12, 2011, SPA - Police say a bomb has exploded at a police checkpoint in northwestern Pakistan, killing one officer and wounding two others. Local police officer Zahir Shah says the bomb went off at a barricade outside a mud-brick police post on Saturday in the town of Shabqadar, which lies close to the Mohmand tribal region, according to a report of the Associated Press. --SPA 11:54 LOCAL TIME 08:54 GMT www.spa.gov.sa/942694