FORT WAYNE, Ind. (WOWO): A man is in critical condition after an early morning argument turned violent Sunday.

According to Fort Wayne police, two men were arguing in the parking lot of The Pantry on Wells Street just before 2:30am when one of them shot the other. A witness drove the injured man to the hospital, and police say that person and other witnesses were very cooperative, leading to the arrest of the shooter just before 4am.

The suspect's name hasn't yet been released, an no charges have been filed yet, but police add they are still gathering information on the shooting, including taking surveillance video from nearby businesses.