UPDATE 9:10 p.m.
BIG BEAR LAKE, Calif. - - A law enforcement official tells The Associated Press a charred body has been found in the burned cabin where a fugitive ex-cop is believed to have been in a standoff with sheriff's deputies.
The official speaking on condition of anonymity because the investigation is ongoing says the body was found at about 6:30 p.m. Tuesday
Authorities said earlier they believed the man in the cabin was Christopher Dorner. He has been on the run since they say he launched a campaign to exact revenge against the Los Angeles Police Department for his firing.
Officials will be looking for identifying marks such as tattoos before confirming the identity.
Police say Dorner killed four people, including a deputy on Tuesday.
UPDATE 7:47 p.m.
LOS ANGELES - - A law enforcement official tells The Associated Press that the man believed to be fugitive ex-cop Christopher Dorner never came out of a California mountain cabin engulfed in flames.
The person who requested anonymity because of the ongoing investigation said a single gunshot apparently fired inside the cabin was heard just before the fire broke out Tuesday.
Officials were waiting for the fire to burn out before approaching the ruins to search for a body.
Authorities believe Dorner barricaded himself in the cabin after exchanging gunfire with deputies, killing one and wounding another.
UPDATE 4:30 p.m.
BIG BEAR LAKE, Calif. - - Authorities say a fugitive ex-Los Angeles police officer is barricaded in a cabin in the Southern California mountains.
Someone in the Big Bear Lake area reported a stolen vehicle Tuesday and described the suspect as looking very similar to Christopher Dorner.
The vehicle was found and the person ran into the forest and barricaded himself inside a cabin.
Authorities say a short time later there was an exchange of gunfire between law enforcement and the suspect.
Two law enforcement officers are being airlifted to a local hospital with unknown injuries.
LOS ANGELES - - A law enforcement official says a person believed to be the fugitive ex-Los Angeles cop sought in three killings has exchanged gunfire with authorities in the San Bernardino Mountains.
The officer requested anonymity because the officer was not authorized to speak publicly about the ongoing investigation.
The officer tells The Associated Press it's believed Christopher Dorner committed a residential burglary of a cabin and had a couple tied up in the cabin. One was able to get away and make a call.
Authorities responded to the location and gave chase Tuesday when Dorner fled in a stolen car. Gunfire was exchanged.