SAN FRANCISCO, Calif. (KGO) -- Crews are working to clear a fallen magnolia tree at the corner of Mission Dolores Park on 18th Street in San Franciso Saturday morning.
The tree downed Muni power lines, officials said.
SFMTA tweeted, "ATTN: IB 33 delayed at 18th & Dolores due to a tree branch in the overhead. Will update."
Stay with ABC7 News for this developing story.