A man suffered life-threatening injuries after being struck by a vehicle while attempting to cross East Main Street in Riverhead on Tuesday around 5 p.m.

Police say a 73-year-old driver struck the man as he tried to cross the road.

Responding officers found the man lying in the roadway with life-threatening injuries. Suffolk County Aviation crews airlifted him to Stony Brook University Hospital.

Police say the driver remained at the scene of the crash.

Anyone with additional information is urged to call 631-727-4500.

No further details were available as of Wednesday morning.