Pakistan police say a roadside bomb attack on a prison van has wounded at least 10 policemen in the restive northwest. Officials say Saturday's explosion was near a jail in the town of Timergarah in Lower Dir district. No group has claimed responsibility for the attack.<br/> <br/>Elsewhere in Pakistan, at least six people have been wounded by an explosion in southwestern Pakistan. Police say the blast went off in a bakery on Satruday in Sibbi in the province of Baluchistan.<br/>