Nigerian workers in telecommunications and electricity sectors have threatened to shut down the National grid, and telecom services at midnight Wednesday if the President of Nigeria Labour Congress, Joe Ajaero is arrested by the Nigeria Police Force. This was contained in separate notices on Tuesday by the General Secretaries of the National Union of Electricity Employees and the National Union of Postal and Telecommunications Employees, Dominic Igwebike and Mary Nwosu, respectively. This comes after thepolice in a letter on Monday summoned Ajaero for questioning on Tuesday over an alleged lin…