SAN FRANCISCO (CBS SF) — Fire fighters responded to reports of smoke in the Muni tunnel near the Civic Center station Monday morning.
Crews determined the smoke was due to debris in a fan room and the problem was quickly resolved.
Fire officials were warning riders to avoid the area and use shuttles for alternate transportation.
Civic center BART needs to get closed. smoke building up and fire trucks outside pic.twitter.com/BEBumVmX2x
— David (@diyslf) August 1, 2016
A Muni spokesperson said service was halted around 9:35 a.m., and resumed by 9:45 a.m.