"There was a loud noise, like breaking metal, it's so specific. A crunch of metal," says the source.

The mayor of Cannes has ordered a drugs crackdown as Hollywood stars and film industry executives flock to party and do deals in the French Riviera resort.

It was down-and-out in Cannes for Hollywood this year, with rival flaks bunking together, films screening in tiny apartments and studio teams staying home.

There was panic at Variety’s Cannes Film Festival party Wednesday when guests at a star-studded party heard the “crunch of metal” and felt the space shake “violently.” “It was so f–king terrifying,” ...