Dallas police are investigating an early-morning hit-and-run that left a man critically injured Sunday outside a gas station in West Dallas.

Hit-and-run What we know: Officers and Dallas Fire-Rescue responded to a shooting call around 3:30 a.m. at a Shell gas station in the 300 block of Singleton Boulevard, where emergency personnel found a critically injured man lying in the roadway.

The man was rushed to a local hospital in critical condition.