Officials in Northwestern Pakistan say a bomb attack on a bus belonging to the Pakistani Air Force has killed at least 13 people in the city of Peshawar.From Islamabad, Mark Dummett reports.

• 巴基斯坦西北部的政府官员宣称在白沙瓦市一辆属于巴基斯坦空军的客车遭遇炸弹袭击，至少造成13人死亡。