A 1-alarm fire that broke out this morning in the Outer Sunset has displaced four people from adjoining buildings, according to SFFD.

#120717WF1 UPDATE making Progress no injuries AVOID AREA 1st Alarm 2 Story Residential with concern to exposures 816 PIO ON SCENE pic.twitter.com/R5snrVbRYK

— San Francisco Fire (@sffdpio) December 7, 2017

Video: SFFD/Twitter

At 8:36am, the blaze at 2151 and 2147 31st Ave., both two-story homes, was contained, according to the department's Twitter feed.

Four people, including two children, were treated by medics at the scene, and none have been hospitalized.

The cause of the fire is still under investigation, and SFFD has contacted the American Red Cross to assist the displaced residents.