The tree fell just before 4p.m. near Jackson and Front streets by the Embarcadero.
Paramedics pulled out one of the victims and took them to the hospital.
JACKSON ST/FRONT ST ***TREE DOWN*** REPORT OF TREE FALLING AND SOMEONE POSSIBLY TRAPPED--— SAN FRANCISCO FIRE DEPARTMENT MEDIA (@SFFDPIO) May 1, 2021
UPDATE: PERSON CRAWLED OUT...1 PERSON INJURED... pic.twitter.com/JQueuvTmwr
Another person was able to free herself.
She told ABC7 she is shaken up, but will be okay.
The San Francisco Fire Department is warning people about fast-moving winds.