Crews respond to reports of electrical fire at San Francisco building

Fire crews responded to reports of an electrical fire Tuesday morning at a building along San Francisco's Market Street.

The fire was reported at 1021 Market St., the address is listed to software company Zendesk.

San Francisco Municipal Railway's F-Market streetcar line and multiple Muni bus liens are affected by the response to the fire.

No other details about the blaze were immediately available.