No, the HMS Queen Elizabeth is in dock having had to return early from testing due to a leak. However I am certain that all our nuclear submarines will be there although not flying the flag as it gets too soggy when submerged.
One witness, part of a group involved in the trouble, explained to staff that things kicked off when another passenger appeared dressed as a clown. This upset one of their party because they’d specifically booked a cruise with no fancy dress. It led to a violent confrontation.