Nigeria's Buhari vows crackdown after pipeline attacks in Delta

By Felix Onuah BEIJING (Reuters) - Nigeria will crack down on groups responsible for recent pipeline attacks in the oil-producing Delta region, President Muhammadu Buhari said on Wednesday. "We will deal with them the way we dealt with Boko Haram," Buhari said during a visit to China, referring to jihadists who have been waging an insurgency to set up an Islamic state in the north. The army has recaptured much of the territory Boko Haram had held since Buhari took office in May 2015, though the