Man attacked outside San Francisco building where woman was assaulted 9 days ago

After a San Francisco man exited a ride share car vehicle in front of his Embarcadero building, he was assaulted by an unidentified male suspect on Tuesday night, the San Francisco Police Department said.

The suspect ran toward the victim and, without warning, punched him in the face before fleeing the scene at around 10 p.m. on Aug. 21.

"Investigating officers have canvassed the area for surveillance video and witness statements," SFPD said in a statement. "The suspect remains outstanding for this open and active investigation."

Surveillance videos released Thursday show an unidentified suspect punching a tenant outside the Watermark condo complex.

A San Francisco man exiting a ride share car vehicle in front of his Embarcadero building was assaulted by an unidentified male suspect on Tuesday night, the San Francisco Police Department reports. A San Francisco man exiting a ride share car vehicle in front of his Embarcadero building was assaulted by an unidentified male suspect on Tuesday night, the San Francisco Police Department reports. Photo: Watermark Surveillance Video Footage Photo: Watermark Surveillance Video Footage Image 1 of / 1 Caption Close Man attacked outside San Francisco building where woman was assaulted 9 days ago 1 / 1 Back to Gallery

The incident occurred only nine days after Paneez Kosarian, 26, was allegedly assaulted by a homeless man in front of the same building at 501 Beale St.

Safe Embarcadero For All, a group opposing the city's proposed navigation center in the Embarcadero, released the surveillance footage of the Aug. 20 attack.

ALSO: 'I'm shocked': Man accused in SF condo attack released from jail

On Aug. 11, Kosarian was allegedly attacked in front of the same building by 25-year-old Austin James Vincent. Kosarian says Vincent said he was saving her from robots.

Vincent pleaded not guilty to charges of false imprisonment, two counts of battery and attempted robbery. He was released from jail into a program with mental health services, but was put back in jail after the judge in the case viewed surveillance video of the attack and learned Vincent was involved in a knife incident earlier in the year.

Amy Graff is a digital reporter for SFGATE. Email her at agraff@sfgate.com.