Nigeria’s central labour union has given the government a 14-day ultimatum to reverse a recent hike in the price of petrol or faced an indefinite strike, officials said Monday. The 15 percent price-increase came just 24 hours before former president Olusegun Obasanjo stepped down on May 29 after two terms and eight years in office, handing power to new President Umaru Yar’Adua. Full Story