COFFEYVILLE, Kansas - Coffeyville Police are investigating a suspected homicide.

Investigators say 47-year-old Ralph Hayward is being held without bond as a person of interest in the death of 71-year-old Steven Lucas. Officers say they were called out Sunday night to find Lucas unconscious.

Police say they also want to talk to whoever was inside a black SUV. They believe the people inside might have more information.

If you know anything about this case, you're asked to call Coffeyville Police.