Germans are more interested in Adolf Hitler that at any time since the end of the Second World War, a new study has concluded.

The German Media Control research group, which monitors broadcasting, found that documentaries about Hitler are aired twice a day on German television channels and that books and films about the Nazi leader are being produced in record numbers.

It established that 242 programmes dealing specifically with Hitler had been shown on television during the first four months of 2013, while 500 other films and documentaries that had dealt with the Nazi era in general had also been aired.