Niger Delta militants on Thursday blew up two extra oil pipelines in Bayelsa State, threatening to bring oil production in the country to a halt. A militant group that calls itself the Niger Delta Avengers, which has claimed responsibility for most of the attacks since the beginning of the year, said it had attacked two crude pipelines operated by Italy’s oil major Eni. “At about 2:00am today @NDAvengers blew up the Ogboinbiri to Tebidaba and Clough Creek to Tebidaba crude oil pipelines in Bayelsa State,” the group said on its Twitter handle. “This is in line with our promise to all international oil companies and indigenous oil companies that Nigeria’s oil production will be zero,” the group added. The NDA had on Wednesday blown up two facilities belonging to Chevron Nigeria Limited, making it the fourth time the oil major’s assets would be attacked in less than a month. President Muhammadu Buhari cancelled at the last minute a visit planned for Thursday to the region. ...