WASHINGTON — A man is dead after a driver crossed a median in Prince George’s County, Maryland, and slammed headfirst into a bus.

It happened just after 3 p.m. on Monday, on Route 4 northbound between Waysons Corner and Route 301.

The driver of the car died. Police believe he may have suffered some sort of medical emergency, since there are no signs he tried to brake.

Another person in the car suffered minor injuries.