(KRON) — The PG&E power outage map shows power has been restored to thousands of customers Monday after a power outage in Daly City, South San Francisco and Colma.

Power shut off at approximately 9:52 a.m. Monday. As of about 11 a.m., the outage was impacting 5,606 customers. The cause of the outage is under investigation.

North County Fire Authority crews were at scene of an underground electrical vault fire on Camelot Court in Daly City. PG&E crews also responded.

This story is developing and will be updated.