SAN FRANCISCO (KGO) -- Crews battled a 3-alarm fire sparked by a gas explosion in San Francisco's Inner Richmond neighborhood on Wednesday.
A witness told ABC7 News that the fire was at the Hong Kong Lounge II, which was under construction, but it appears the four buildings are involved.
RELATED: San Francisco crews respond to fire possibly sparked by gas explosion near USF
Everyone within a one-block radius was ordered to evacuate.
SKY7 was over the scene of the massive blaze.
Take a look at full coverage on the gas explosion and fire on Geary Boulevard in San Francisco.
VIDEO: SKY7 footage of massive fire sparked by gas explosion in SF's Inner Richmond
GEARY GAS EXPLOSION