Market Street in San Francisco's Twin Peaks neighborhood has reopened late Thursday evening following a search for a person with a firearm.
Earlier in the evening, a San Francisco police spokesperson said Market Street at Clayton Street was closed due to the police investigation, which concluded.
There are no additional details about what may have transpired from the investigation.
Anyone with information is asked to contact the San Francisco Police Department at (415) 575-4444 or text a tip to TIP411 and begin the message with SFPD.
This story is developing. Check back for updates.