Suspected suicide bombing at police station kills 17 in Pakistan, officials say

PESHAWAR/DERA ISMAIL KHAN, Pakistan, Aug 3 (Reuters) - At least 17 people were killed in a suspected suicide bombing outside a police station in northwestern Pakistan on Sunday, a rescue group and a regional police official said, as the country battles widening insurgencies. The explosion took place in the Kabal area of Swat, a district in Pakistan's Khyber Pakhtunkhwa province. A pro-police rally of local residents was taking place in the same area on Sunday, but it was not immediately clear…