Andrew Blankstein

LOS ANGELES -- The coroner's investigation into the death of Whitney Houston came to a close Wednesday with a final autopsy report that described the singer submerged face-down in hot water in the bathtub of her Beverly Hills hotel suite with a unidentified white powdery residue left in a spoon on the bathroom counter.

The report released Wednesday confirmed that the 48-year-old singer drowned in a bathtub, with heart disease and cocaine use listed as contributing factors. It concluded that Houston's death was accidental.

LOS ANGELES — A confrontation between federal law enforcement agents erupted in gunfire Thursday evening in Long Beach, leaving one dead and another seriously injured, authorities said.

LOS ANGELES -- The Los Angeles County coroner's office said Wednesday that investigators have made contact with "a number" of doctors as they try to determine how Whitney Houston died.

Authorities collected several bottles of drugs from Houston's suite at the Beverly Hilton Hotel, where she was found dead Saturday. But officials have said the amounts of drugs did not seem unusually large, leaving it unclear whether the medications had anything to do with the singer's death.

LOS ANGELES -- A brawl between several people dressed as action figures erupted in front of the Kodak Theatre in Hollywood on Thursday evening, resulting in a Jack Sparrow character being pepper-sprayed by an attacker, police said.

LOS ANGELES -- A woman who called 911 from Demi Moore's home Monday night told officials the movie star was suffering convulsions and was semi-conscious after "smoking something."

LOS ANGELES -- As the sun set over the Hollywood Hills park where police spent Wednesday searching for human body parts, they still didn't have a name to go with the man's head discovered there a day earlier.

What they did have were two hands and two feet. Authorities were optimistic that the hands were in good enough condition to obtain fingerprints.

LOS ANGELES -- Two undercover Los Angeles police officers were shot and wounded late Saturday night after trying to intervene in a gang-related shooting they witnessed, sparking a gun battle and a massive manhunt through Koreatown for the shooter.