Teachers strikes continue in Europe over pay, conditions and funding, as Norway’s Labour government moves to impose strike ban, Hungarian government imposes minimum service levels; UK dock strikes in Liverpool and Felixstowe over pay and conditions as criminal barristers’ strike continues; oil workers threaten to strike and join continuing protests in Iran after death of young woman at hands of morality police; Air traffic controllers in 18 African countries go on unofficial 48-hour strike over working conditions