ILLINOIS (REUTERS) - One person was shot on Thursday (Dec 3) when gunfire erupted inside a Wal-Mart store in a Chicago suburb, police in Illinois said.

Police in Darien, a small city about 48 km outside of Chicago, received reports of shots fired inside the store on Thursday afternoon, Deputy Chief John Cooper said.

Officers arrived to find one victim with a single gunshot wound to the shoulder who was taken to a local hospital for treatment, he added.

Police said the wound was non-life threatening.

They were searching for a man who fled the scene, but the store was deemed safe. Police view the shooting as an isolated incident and no other victim had been located, the police deputy chief said.

A local CBS affiliate, citing an employee in the store, said the shooting broke out after an argument between two people at a food stand. One person pulled a gun and shot another, CBS reported.

Wal-Mart did not immediately respond to a request for comment.