An oil pipeline was blown up with dynamite in Nigeria's restive south, a military official said Saturday.Regional army chief Brig. Gen. Wuyep Rimtip said he did not know how severe the damage was or if there were any casualties as a result of the blast late Friday in Delta State in Nigeria's restive south. Officials from the pipeline's owner Agip — a subsidiary of Italian energy giant Eni SpA — were not immediately available for comment.Rimtip said he suspected local youths rather than...