Lithium-ion battery cause of San Francisco hotel fire, 1 hospitalized

Firefighters respond to 1-alarm fire on San Francisco's 6th Street. 

Firefighters are at the scene of a one-alarm fire at a hotel in San Francisco near 6th and Market streets on Wednesday night. 

What we know:

The San Francisco Fire Department posted video and photos to social media at 9:16 p.m. of fire engines with a ladder drawn at the Seneca Hotel, located on the 40 block of 6th Street. 

The fire department said in their post that the fire was contained to the room of origin on the fourth floor. 

At least one person was injured and taken to a hospital, according to the fire department's incident commander at the scene. 

The fire department is asking for people to avoid the area of 6th and Mission and Market streets due to the emergency vehicles working in the area. 

Fire officials said a lithium-ion battery is the cause of the fire. No further details were immediately available. 

This is a developing story. 

San FranciscoNews