UPDATE: The fire happened in a home that was converted into 2 separate apartments. The fire appears to have started in the attic of the upper unit according to firefighters on the scene.
Fire crews don't believe anyone lived in the unit that the fire started in. The people in the downstairs unit were able to evacuate. No injuries have been reported and it's not clear what caused the fire.
UPDATE: Our photographer on scene tell us that the fire started in the attic of a home. At this hour we're awaiting more information.
BREAKING: Right now fire crews are battling at structure fire at 728 E. Mission, we can see it from one of our sky cameras. So far no injuries have been reported. Stay tuned to KHQ.com, Facebook and our Twitter news feed for the very latest.