San Francisco police said a report of a shooting at a business led to a standoff on Saturday.

Around 12:16 p.m., police were alerted to reports of a shooting at a business on the unit block of New Montgomery Street, near Market and Annie streets. 

Police said they have not recieved any reports of injuries. 

According to police, officers arrived at the scene and learned someone suspected of being the shooter was still in the building. Police said that the person refused to leave the building and has not been obeying officers' commands. 

Part of the building was evacuated as hostage and crisis negotiation teams worked to peacefully end the standoff.

Residents are asked to avoid the area.