NEW YORK (CBSNewYorK) — A $12,000 reward is being offered for information leading to the arrest and conviction of a suspect who allegedly shot and killed a gas station worker during an apparent attempted robbery in the Bronx.

Lamin Sillah, 28, was gunned down around 9:40 p.m. Tuesday at the RC Petroleum station on East 182nd Street and Southern Boulevard in the East Tremont section, police said.

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The alleged gunman rode up to the gas station on a bicycle with an accomplice, who was acting as a lookout, police said.

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The perpetrator robbed an attendant of $30 before going inside the office where Sillah was counting money, Police Commissioner Ray Kelly said.

Sillah, who began working at the gas station a week ago, got into a struggle with the gunman and was shot several times in the torso, police said.

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The suspects fled the scene on bicycles, police said.

Sillah, a Gambian native, came to the country 10 months ago on a student visa and was taking classes at a technical school in Manhattan, relatives told 1010 WINS’ Juliet Papa. He was wrapping up his shift at the gas station at the time of the shooting.

The gunman is described as a black man, between 20- and 25-years-old, with a stocky build. Police said he was wearing a blue New York Giants sweatshirt and blue jeans. The NYPD has released a sketch of the suspect.

A sketch of a suspect wanted in the fatal shooting of a gas station attendant in the Bronx (credit: NYPD)

Anyone with information is asked to call Crime Stoppers at 1-800-577 (TIPS).

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The public can also submit their tips by logging onto the Crime Stoppers website or by texting their tips to 274637 (CRIMES) then enter TIP577.