Photos: Explosion Starts Gas-Fueled 3-Alarm Fire In San Francisco

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

SF gas explosion and fire on Geary Blvd

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco, February 6, 2019. (Warren Carreiro)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Chopper 5 over a gas explosion and fire near the corner of Geary Blvd. and Parker Avenue in San Francisco, February 5, 2019. (CBS)

San Francisco firefighters on the scene of a gas explosion and fire at the intersection of Geary and Parker on February 6, 2019. (SFFD / Twitter)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (SFFD)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

San Francisco firefighters on the scene of a gas explosion and fire at the intersection of Geary and Parker on February 6, 2019. (SFFD / Twitter)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

Flames roar from a punctured gas line at the corner of Geary Blvd. and Parker Ave. in San Francisco (CBS)

SFFD crews work to douse remaining flames after PG&E crews shut off gas line that fed fire (CBS)

SFFD crews work to douse remaining flames after PG&E crews shut off gas line that fed fire (CBS)

SFFD crews work to douse remaining flames after PG&E crews shut off gas line that fed fire (CBS)

SFFD crews work to douse remaining flames after PG&E crews shut off gas line that fed fire (CBS)

SFFD crews work to douse remaining flames after PG&E crews shut off gas line that fed fire (CBS)

SFFD crews work to douse remaining flames after PG&E crews shut off gas line that fed fire (CBS)