The Duke and Duchess of Cambridge, along with Prince Harry, have turned their hands to witchcraft as they opened the £100 million Warner Bros studios near Watford.
The sprawling site was the production home of all eight Harry Potter films, the James Bond movie Goldeneye starring Pierce Brosnan, the first of the Star Wars prequel films and director Tim Burton's gothic horror Sleepy Hollow
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Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.
The attacker grabbed her dog lead wrapped it round her neck and started to strangle her before running away.