A Kea'au man and Kona woman died yesterday from injuries suffered Sunday night in separate Big Island car crashes.

Police identified the victims as David H. Young, 25, of Kea'au, who died at 6:08 a.m. yesterday at Hilo Medical Center, and Danyea L. Kuanoni, 33, of Holualoa, who was pronounced dead at 8:06 a.m. at The Queen's Medical Center after being transported to Honolulu from Kona Community Hospital.

Young was a passenger in a speeding 1995 Honda four-door sedan that crashed on Kalaniana'ole Street near Kolea Street at 11:30 p.m. Sunday. Police said the car ran off the right side of the roadway on a curve in the road and hit a utility pole.

Nivan N. Agres, 23, of Hilo, was arrested for negligent homicide, operating a vehicle under the influence of an intoxicant, driving with a license that was suspended/revoked for DUI and having no auto insurance, police said.

Agres was taken to Hilo Medical Center with undisclosed injuries, police said.

Kuanoni was injured in a crash on old Mamalahoa Highway (Route 180) in the area of the 2-mile marker at 7:46 p.m. Sunday, police said.

Kuanoni was driving a 1991 Honda sedan north on old Mamalahoa Highway when her car crossed the center line and ran off the left side of the road.

Police said Young, Agres and Kuanoni were not wearing seat belts.