20-year-old Warren Keaton Cook III of Killeen was killed Wednesday after he was struck by a vehicle on Highway 190.

Witnesses say Cook was standing in the median near the intersection of W.S. Young Drive in the 2500 block of east Highway 190 when he ran in front of a silver Ford Mustang around 4:20 pm.

Officers were called to the scene and found Cook lying in the median and unresponsive. He was pronounced dead at 5:18 pm.

The driver of the mustang and a passenger were parked on the side of the road. They were not injured.

Police continue to investigate the incident. It is not clear why Cook was standing next to the highway or why he ran into oncoming traffic.