According to KRON 4 News, a restaurant is on fire at 919 Kearny, between Drummond and Jackson Streets. Columbus is backed up to the tunnel. "Traffic is a nightmare" in the area. The block is pretty much closed off. No word yet of any injuries.
Update: SFAppeal reports that the fire started at "Matcha, a sushi restaurant at 915 Kearney. It then extended into the liquor store next door at 911 Kearney, then spread up into the residential units next door." No one, it seems, was injured.