[UPDATE BELOW] The NYPD is searching for a man who opened fire in Hell's Kitchen this morning, shooting another man in the chest. The shooting occurred at West 49th Street and Ninth Avenue around 9:30 a.m. According to the NYPD, a 56-year-old man was shot in the chest and rushed to Bellevue Hospital, where he is expected to survive.

The suspect, described as a white male in his 40s, fled the scene and remains at large. His motivation and possible relationship to the victim remain unknown. According to CBS 2, "initial reports suggest the suspect in the shooting took off in a white four-door sedan with writing on it." And ABC 7 reports that the victim is a construction worker, and the suspect is believed to be an ex-employee of the same construction company.

We'll update as more information becomes available.

Update 1:17 p.m.: NYPD spokesman Paul Browne told the Times, "The two men are known to each other," but investigators are still trying to determine the nature of their relationship. According to witnesses, the victim, Louis Lamburini, was sitting in a white van when his assailant approached and open fire, striking him in the left shoulder (not the chest, as was previously believed). The Times characterizes the gunman as a "disgruntled former co-worker."