Britannia

Vehicles will be diverted to the nearby Britannia Bridge which also links Anglesey to the north Wales mainland.

"The main problem is getting to and from Bangor - we now have to do a four mile detour over the Britannia Bridge," he said.

As the Cool Britannia movement was starting to surge, Mr McNamara found the nation's blossoming mood matched by the crowd's high spirits on a warm evening outside the venue, which has now closed.

The singer embraced the Last Night's party atmosphere, adopting a cockney accent and flower-sellers costume for Wouldn't It Be Loverly, and sporting a spectacular union flag ballgown for Rule, Britannia!

"It was really peaceful, there was no racism, there were children there," she says, smiling as she points out a woman dressed up as the mythical figure, Britannia.