​ExxonMobil Headquarters Shut ON DECEMBER 15, 20166:19 PMIN NEWSCOMMENTS The Lagos headquarters of U.S. oil major, ExxonMobil has been shut, following a standoff with blue-collar oil unions over the sacking of 150 workers. Members of the Petroleum and Natural Gas Senior Staff Association of Nigeria (PENGASSAN) besieged the office of the oil giant, protesting the sacking of Nigerian workers. The standoff is coming on the heels of a similar development on Wednesday in Upkenekang Community in Akwa Ibom, where angry youths disrupting the operations of…