Police closed the intersection at Market and Castro streets Wednesday night.
Additionally, they advised the public to avoid 18th and Castro streets as well as Diamond and Castro streets.
Market St is completely closed in both directions from Noe St to Castro St. Police are investigating a suspicious device. pic.twitter.com/jozQJvP68q— Sergio Quintana (@svqjournalist) May 4, 2017
Stay with ABC7 News for the latest details on this developing story. null