UPDATE | Long Beach police today released surveillance videos showing a suspect fleeing in an alleyway after allegedly sexually assaulting a woman on Sunday.

The victim told police the man, armed with a knife, approached her from behind around 11 a.m. and sexually assaulted her in a shared laundry room at a residence on the 1000 block of East Seventh Street, authorities said. He then ran away before police arrived.

Detectives released video from nearby security cameras hoping someone will recognize the suspect and come forward, officials said.

Police said the suspect was wearing dark clothing and a bandana over his face.

Anyone with information regarding this incident was urged to contact sex crimes Det. Rodney Brown at 562-570-7368 or dispatch at 562-435-6711.

PREVIOUSLY: Armed suspect sexually assaults woman in North Alamitos Beach laundry room, police say

7/7/19 at 5:30 p.m. | Authorities are looking for a man suspected of sexually assaulting a woman at knifepoint in North Alamitos Beach on Sunday.

The incident happened at about 11 a.m. on the 1000 block of East Seventh Street in a residence laundry room, said Long Beach police spokeswoman Arantxa Chavarria.

The suspect was armed with a knife when he approached the victim, Chavarria said. He is described as Hispanic, aged 20 to 25, 5 feet or 5 feet, 3 inches tall with a small build and wearing dark clothing.

Detectives with the Sex Crimes Detail are investigating the incident. No further information is available.

Anyone with any information is asked to call police dispatch at 562-435-6711.