LOS ANGELES -- Police sources tell KTLA that they're making preparations for a massive public memorial for Michael Jackson Tuesday morning at Staples Center.

Officials are said to be holding closed-door talks about the possible event.

Officers Wednesday night closed Chick Hearn Court -- the street that runs in front of the downtown center -- apparently in anticipation of early crowds that could line up for a Jackson service.

Earlier in the day, members of Jackson's family met with officials from the Los Angeles Police Department and California Highway Patrol about funeral services.