A head-on collision along Kamehameha Highway at Kahana Estates leaves 4 seriously injured.
It happened just after 12:00 Sunday morning. Emergency Medical Services says that 4 people, ages 15 to 35, were transported to a nearby hospital in serious condition.
Kamehameha Highway was closed in both directions while crews cleared the cars and treated the patients at the scene.
Police say there were no witnesses at the time of the crash and it is unclear who is at fault. An investigation is underway.