SAN FRANCISCO—Firefighters from the San Francisco Fire Department responded to a distress call at 9:26 a.m. on Tuesday, February 27 at the Punch Line Comedy Club, located at 444 Battery Street. The origin of the one-alarm fire has not been disclosed.

Witnesses reported seeing firefighters enter the building with a single hose through a staircase with access to the street. Authorities had the fire under control by 9:46 a.m. Officials described the fire as “small” and the damages to the building as “moderate” via Twitter. Another tweet streamed by the department is capture below:

“AT 0926 HRS, 1st Alarm Fire at 444 BATTERY ST. “PUNCHLINE CLUB” SMOKE IN BUILDING FIRE LOCATED AND UNDER CONTROL AT 0946 hours NO INJURIES NO DISPLACED UNDER INVESTIGATION pic.twitter.com/TtBNeWmzAP,” the SFFD tweeted.

Department officials stated that the only damage reported at the scene was water damage from the fire crew.

The cause of the fire is still under investigation.  Firefighters present on the scene have declined to comment on the status of the investigation at this time.

The amateur comedy showcase, “I Think I’d Be Good At That,” was set to perform Tuesday evening.