MADISON COUNTY, Va. (CBS19 NEWS) -- The Virginia State Police is investigating a weekend crash in Madison County that killed two people.

According to police, the crash occurred around 12:20 p.m. Sunday on North Blue Ridge Turnpike just south of the intersection with Aylor Road.

A 2006 Harley Davidson motorcycle heading north on North Blue Ridge Turnpike failed to maneuver a curve and crossed a double solid yellow centerline.

It then crashed head-on into a southbound 2007 BMW sedan, which caused both vehicles to run off the side of the road and catch fire.

The crash also caused debris to go into the northbound lanes, where it hit another northbound 2007 Harley Davidson motorcycle that then ran off the side of the road.

The rider of the 2006 Harley, identified as 59-year-old William E. Romine II of Bristow, died at the scene.

A passenger on that motorcycle, identified as 58-year-old Cathleen T. Romine of Bristow, also died at the scene.

Police say both of them were wearing helmets.

The driver of the BMW, a 68-year-old man from Arlington, suffered minor injuries and was treated at the scene of the crash. He was wearing a seat belt.

The rider of the second motorcycle, a 56-year-old man from Bristow, suffered serious injuries that are not believed to be life-threatening.

He was taken to the University of Virginia Medical Center for treatment.

Police say he was wearing a helmet.

This crash is still under investigation.