CCTV:May 12/08:Gardena,Los Angeles,Police released surveillance video to help find two men responsible for gunning down a 51-year-old woman during a robbery inside a Gardena t-shirt shop.

Hae Sook Roh of Gardena was fatally shot during a robbery in the 2300 block of West Rosecrans Avenue near Van Ness Avenue around 6:45 p.m. Monday, Deputy Aura Sierra of the Sheriff's Headquarters Bureau said.

A nearby shop owner told Gardena police that she heard gunfire coming from an adjacent business, and when she went to investigate the noise, she discovered "an Asian woman was shot and lying on the floor" and immediately called for help, Gardena police Lt. Uikilifi Niko said.

Paramedics took the victim to Harbor-UCLA Medical Center, where she later died, Niko said.

The robbers fled with an undisclosed amount of cash and were last seen running westbound on Rosecrans Avenue, Sierra said.

The gunman was described as being in his 20s and wearing a cloth bandana over his face, a black jacket with a white t-shirt underneath, and shorts. The other man is also about 20 and was last seen wearing a blue shirt and blue jeans, sheriff's Deputy Ed Hernandez said.

On Tuesday the city of Gardena offered a $10,000 reward for information leading to the arrests and convictions of the two men involved in the slaying, Hernandez said.

Detectives hope that video footage of the shooting will help capture the suspects.