Christine Blower, general secretary of the National Union of Teachers (NUT), has accused Ofqual of "shifting blame" in a report which suggests pupils have been let down by the exams system.
More top news
Spanish prime minister Mariano Rajoy said he wants permission to dissolve Catalonia's government and to call an early election.
Egyptian security officials say at least 54 police officers have been killed in a shootout during a raid on a militant hideout near Cairo.
Explosives experts were called to the nuclear reprocessing site in Cumbria, to help deal with chemical substances.