UPDATE: 12:35 p.m.

A 57-year-old man was killed and two other people were seriously injured in a two-vehicle collision on Kunia Road this morning, Honolulu police said.

A Toyota truck driven by the 57-year-old man was turning onto Kunia Road from Kunia Drive when he was struck by a Jaguar sedan, police said.

The Toyota driver was pronounced dead at the scene.

Police said a 51-year-old front seat passenger of the Toyota was taken in serious condition to a hospital.

The 20-year-old Jaguar driver was also taken in serious condition to a hospital.

Police said speed may have been a factor in the crash. It’s unknown at this time whether drugs or alcohol were contributing factors.

This is the 34th traffic-related on Oahu this year compared to 33 at the same time last year.

Anyone who witnessed the collision is asked to contact the Traffic Division at 808-723-3413.

10:25 a.m.

Honolulu police have reopened Kunia Road in both directions from Anonui Street to the Kunia Post Office.

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One person died and two others were seriously injured in a two-vehicle collision on Kunia Road today, according to Emergency Medical Services.

The collision occurred at about 6:45 a.m.

A man in his 50s was pronounced dead at the scene. Paramedics treated a 20-year-old man and a woman in her 50s. Both were taken in serious condition to a hospital.

Honolulu police have closed a section of Kunia Road in both directions from Anonui Street to the Kunia Post Office as police investigate.

This is a breaking news story that will be updated once additional information becomes available.