1 PM: People are being let back into San Francisco’s Hall of Justice, which was evacuated this afternoon because of smoke in the building, a fire department spokeswoman said.

Fire crews responded to a report of smoke on the fifth floor of the Hall, located at 850 Bryant St, at 12:03 p.m., fire spokeswoman Mindy Talmadge said.

When fire crews arrived, they were unable to see smoke or fire from the street, a fire official said.

Firefighters determined that the smoke had come from an elevator engine on the roof and had traveled down the elevator shaft, a fire official said.

Authorities began allowing people back into the building at about 12:40 p.m.

The situation remains under investigation, a fire official said.

12:42 PM: San Francisco’s Hall of Justice has been evacuated this afternoon because of a report of smoke on the building’s fifth floor, a fire department spokeswoman said.

The alarm sounded at about noon at the building, located at 850 Bryant St., fire spokeswoman Mindy Talmadge said.

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