Merlin Events is attempting to break the
world record for the loudest scream.
The company, which has Madame Tussauds and
The London Eye in its portfolio of events venues, is to host the record making
attempt at the London Dungeon on 31 October.
Guests will be whisked away from the party
throughout the night into a secret Dungeon cell so they may attempt to break
the loudest scream world record.