San Francisco officials are asking residents and visitors to avoid the area of 21st and Valencia streets due to police activity.
Police on scene tell NBC Bay Area they are investigating a suspicious device.
The area is just east of Dolores Park in the city’s Mission District.
No other information was immediately available.
This post was originally posted at http://www.nbcbayarea.com/news/local/San-Francisco-Police-Activity-Shuts-Down-Streets-in-Mission-District-521687321.html.