SAN DIEGO (KGTV) - Traffic was blocked Wednesday near the San Diego Superior Court Central Courthouse due to a hazmat investigation.
The San Diego Sheriff’s Department confirmed the substance was found in the building at 1100 Union St. about 5 p.m.
A court employee said the substance was a white powder found on the 10th floor.
Preliminary information from the scene indicates the situation was linked to a letter inside the courthouse, according to San Diego Fire-Rescue.
By 6:30 p.m., crews determined the powder was harmless.