– a high, petrified scream – and it was coming from the chamber they’d just locked up. ‘Oh, no,’ said Ron, pale as the Bloody Baron. ‘It’s the girls’ toilets!’ Harry gasped. ‘Hermione!’ they said together. It was the last thing they wanted to do, but what choice did they have? Wheeling around they sprinted back to the door and turned the key, fumbling in their panic – Harry pulled the door open – they ran inside.