FILE - Joe Ajaero, centre, Nigerian Labor Congress President, speaks during a protest against the recent increase in the electricity tariff, in Abuja Nigeria, Monday, May 13, 2024. Africa's most populous country ground to a halt on Monday, June 3, 2024, with electricity cut and major airports closed, as labor unions began striking to demand a salary increase amid the worst cost of living crisis in decades. (AP Photo/Sunday Alamba, File)