MILL VALLEY (CBS SF) — Police released a surveillance photo of a man suspected of robbing a Mill Valley bank and then fleeing on a bicycle Saturday morning.

Mill Valley Bank Robbery

A suspected bank robber at a Wells Fargo branch in Mill Valley. (Surveillance image via Bay City News)

About 10 a.m., the suspect presented a note to a teller at the Wells Fargo bank branch at 525 Miller Ave., demanding money and saying that no one would be hurt, police said.

READ MORE: COVID: Santa Clara Bible Study Group Wins Supreme Court Fight Over Home Gatherings

Witnesses told police that no weapons were seen.

Officers were alerted while the robbery was still in progress and arrived within two minutes but the suspect had already fled, reportedly on a mountain bike, police said.

Mill Valley officers, along with Marin County Sheriff’s Office, and Sausalito and Tiburon police searched for the suspect but didn’t find him.

READ MORE: Early Morning Fire Damages Half Moon Bay's Historic San Benito House Inn

Officials didn’t release the amount of cash stolen in the robbery.

The suspect was described as an Asian male in his 30s to 40s, 5 feet 5 inches tall and weighing about 130 pounds. He was wearing a black SF Giants hat, a black windbreaker-style jacket and black sunglasses.

He was seen riding east away from the bank on a red mountain bicycle lacking markings.

Anyone with information about the suspect is asked to call (415) 389-4100.

MORE NEWS: Update: USF Student Who Hung Noose Off Dorm Room Balcony Expelled

© Copyright 2019 CBS Broadcasting Inc. and Bay City News. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed