BOSTON -- A man who lost control of his car while exiting the highway was killed early Sunday morning, Massachusetts State Police said.

Michael Luu, 18, of Malden was traveling south on Route 93 in Boston about 12:30 a.m., when he struck the guardrail on the exit 20 ramp.

Luu was ejected from his 2007 Nissan 350Z, police said. He was taken Boston Medical Center where he was pronounced dead.

A passenger, Jackie Wong, 19, of Malden is being treated for injuries at the same hospital.