HONOLULU (KHON2) — What started as an argument between two motorists ended with one of them dead and police having to shut down a portion of the H-1 Freeway Sunday morning.

It happened around 3 a.m. on Sunday, March 7.

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Honolulu CrimeStoppers say police responded to a call of a vehicle that was parked in the middle of the freeway eastbound between the Kapolei and Kunia off-ramp. Upon arrival, officers discovered a man in the driver’s seat of a black Dodge Caravan.

Not long after, the H-1 Freeway headed eastbound was closed by the Kualakai Parkway and Kunia off-ramp, where it remained closed until about 7:45 a.m.

The Honolulu Medical Examiner has confirmed the death of the man involved in the early morning altercation and Honolulu Police are asking for the public’s help in finding the other driver who is wanted on suspicion of murder.

“He had sustained some traumatic injuries,” said Sgt. Chris Kim of CrimeStoppers. “EMS was notified. They later transported him to the hospital where pronouncement of death was made.”

Sgt. Kim says the victim had been involved in an altercation with another driver.

“That male later fled the scene.”

HPD says witnesses reported the 50-year-old victim exchanged words with the suspect while driving. Then, both men apparently stopped and got out of their vehicles. The altercation allegedly turned physical. Shortly after, the victim was seen getting back into his van and drove a short distance before becoming unresponsive.

“Investigators are out there canvassing. They are looking for witnesses. They’re canvassing the area, so we’re asking for anything, you know, from the public. If you know of any information, whether you heard people talking about it or if it’s your friend or family member that’s actually involved in this as a suspect, please notify us at CrimeStoppers,” urged Sgt. Kim.

Police say the suspect was believed to be driving a silver or grey color 4-door vehicle.

They’re asking for the public’s help to share any information with CrimeStoppers at