The U.S. Army confirms a military vehicle was involved in a crash that shut down Daniel K. Inouye Highway on Hawaii island Sunday afternoon.
It happened at around 1:18 p.m. between the 43 and 44 mile markers.
Soldiers from the 25th Infantry Division were conducting a convoy that included a High Mobility Multipurpose Wheeled Vehicle (HMMWV).
Fire officials say the vehicle stopped in the middle of the road and was rear-ended by a car traveling behind it.
Three people in the car, a male and two females, were all hospitalized in serious condition. One had to be airlifted out, officials said.
The Army says three soldiers in the HMMWV sustained non-life-threatening injuries.
Fire officials did not know why the vehicle stopped.
The Army says the incident is under investigation, and details are still being collected.
The Pohakuloa Training Area Fire Department responded to the incident, as it does for all emergencies between the Upper Road (Mamalahoa Highway) to mile marker 17, and the slopes of Mauna Kea to Mauna Loa.
The road has since been reopened.