*UPDATE 11/18 9:15p – State police, per McCausland, identified the two victims as 57-year-old Earl Gray of Waterboro and 5-year-old Wyatt Frost of Lyman.

Police said Gray was a volunteer driver with York County Community Action and had provided transportation to the boy for a couple of years.

They said the two died when a box truck struck the rear of Gray's car and then landed on top of it. The impact of the collision drove Gray's car into the rear of the a tractor-trailer ahead of it.

It happened as northbound traffic slowed due to the unrelated southbound crash, police said.

The box truck driver was identified by police as 56-year-old John Kamau of Lowell, Massachusetts, who they said was delivering mail from New Hampshire to Portland.

Police said both truck drivers were slightly injured, but did not require hospitalization.

The crash report, when completed, will be forwarded to the York County district attorney's office for review.

Northbound traffic resumed just after 7 p.m.

WELLS, Maine (NEWS CENTER) — Two people were killed Friday afternoon in a serious crash on the Maine Turnpike involving a car and tractor-trailer, state police said.

The crash happened at mile marker 22 northbound.

As of just before 4 p.m., the two victims remained in the car on scene, and northbound lanes were still shut down, according to state Public Safety Department spokesperson Steve McCausland.

McCausland said toll takers south of Kennebunk were diverting traffic heading northbound onto Route 1.

No word yet on how long the northbound lanes will be closed.In a seemingly unrelated incident a short time before this crash, another crash involving just one car happened at mile marker 24 southbound, also in Kennebunk. Those lanes have since been reopened.