KANDAHAR, Afghanistan - A motorcycle bomb killed an Afghan intelligence official and wounded three people in the southern city of Kandahar on Wednesday, a local government spokesman told Reuters.Two of the wounded were also intelligence officers, while the other person wounded in the blast was a civilian, the spokesman said. Kandahar city is the regional capital of the province where a US soldier killed 16 civilians on Sunday.It was not immediately clear who was behind the bombing, but Kandahar province is a Taliban stronghold.