Christopher Dorner -- LAPD No Longer On Tactical Alert

The LAPD says it has moved back into a "normal state of police operation" after the gun fight in Big Bear last night ... which means they believe the body inside the burnt-out cabin belongs to Christopher Dorner.

Of course, cops won't officially confirm the body belongs to Dorner until the tests are run on the badly burned corpse ... but the move by the LAPD suggests they're pretty damn sure it was Dorner.

A rep for the police department says the city of L.A. is no longer on tactical alert.

Dorner met his fate following a frightening shootout with cops in a remote cabin in Big Bear. The cabin was set ablaze and Dorner's body is believed to have been badly burned in the inferno.