SAN FRANCISCO (KRON) — The San Francisco Fire Department responded to a fire in the Mission District Friday night. One person was injured in the blaze, and 21 people were displaced, SFFD said.

Video: Citizen app

The fire was reported at 3017 20th Street. It was a second-alarm fire.

The Red Cross is assisting those who were displaced. SFFD said the fire is under investigation.

This is a developing story. Stick with KRON4 for updates.