State Police are investigating an early morning car crash in Walpole that killed one man and left another seriously injured.
A 2007 Dodge Caliber SUV was traveling northbound on I-95 when the driver, Jacob Whitman, 20, of Danvers, lost control. The vehicle rolled over several times, State Police said.
The passenger, Kevin McCarthy, also 20 of Danvers, was ejected and was then run over by two passing cars on the highway, police said.
McCarthy was pronounced dead at the scene.
Whitman suffered serious injuries and was transported to Boston Medical Center.
Police are working to determine a cause of the accident and are trying to figure out how Whitman lost control.