[Updated at 8:34 p.m. ET] At some point today, a suspect tried to get out the back door of the cabin, but he was pushed back inside, U.S. Marshals Service district chief Kurt Ellingson told CNN's Brian Todd.
We're still waiting for details about the fire at the cabin, which began about an hour ago.
[Updated at 8:19 p.m. ET] Kyle Martin, son of the cabin's owner, says six cabins are on the 10-acre property. Martin says he believes the suspect barricaded himself in the main cabin, behind which the five smaller cabins exist.
[Updated at 8:09 p.m. ET] Kyle Martin, son of the cabin's owner, told CNN that he believes no one was staying at the cabin Tuesday before the suspect entered it.
[Updated at 8:07 p.m. ET] More details on the authorities' recent assault on the cabin, which is on fire: It's not clear whether the suspect is still in the cabin, but the area is surrounded by law enforcement personnel, San Bernardino County Sheriff's Department spokeswoman Cindy Bachman said.
No one is allowed to go near the fire, including fire department personnel, she said.
"There was active gunfire before the fire" between the suspect and law enforcement, she said. Bachman said she was not aware of any communications with the suspect.
[Updated at 7:57 p.m. ET] The cabin is indeed on fire, but authorities aren't sure whether Dorner is inside, a San Bernardino County Sheriff's Department spokeswoman said.
http://news.blogs.cnn.com/2013/02/12/police-checking-reports-that-ex-lapd-officer-dorner-sighted/ 
