7 killed

Seven people were killed in an accident between a van and a pickup on an Eastern Idaho Highway near the Yellowstone national park.

The Mercedes passenger -van, who worked as a travel vehicle, collided on Thursday at 7.15 p.m. on the US Highway 20 near Henry's Lake, said Idaho State Police.

Fourteen people were in the van and one was in the pick -up. Six people in the van and the truck driver died in the crash, the police said.

The cause remains investigated, the police said.

Henry's Lake is about 17 miles from West Yellowstone, Montana, a goal to Yellowstone National Park.

The US Highway 20 closed almost seven hours after the crash and has been open again since then, the police said.

This is a developing story. Please check for updates.

7 killed in the crash between van, pickup near the Yellowstone National Park originally appeared on abcnews.go.com