The Minister of Labour and Productivity, Chief Emeka Wogu, on Thursday in Abuja urged Nigerians not to panic over the current fuel scarcity in the country.  Wogu made the call while speaking with newsmen on the ongoing strike by the oil and gas sectors.  The Petroleum and Natural Gas Senior Staff Association of Nigeria (PENGASSAN) and the National Union of Petroleum and Natural Gas Workers (NUPENG) on Monday shut down operations nationwide.