Ticketless fans have been warned to stay away from Michael Jackson's star-studded memorial service amid fears of riots.
Los Angeles police have urged people not to head to the Staples Center in the city's downtown area for tomorrow's event unless they are guaranteed entry.
Authorities fear that up to one million fans will descend on the city.
More than 1.6 million people entered a lottery to get tickets, but only 17,500 were successful.
Michael Jackson’s family has been forced to scrap plans to bury the King of Pop at his famous Neverland Ranch – having not gotten the required permits in time.
Fans have already started to flock to the California ranch after reports a public viewing would be held there later this week.