Two people were killed in a fiery crash early Sunday morning in the borough of Mountainside, police say.

Mountainside police say they received 911 calls about a vehicle fire on Route 22 East near the Parkway intersection shortly after 4 am.

They say a vehicle believed to be traveling at high speed had veered off the road and struck a tree in the center aisle before bursting into flames.

A female occupant of the vehicle was ejected. Police say she was pronounced dead at the scene.

The second person, whom police believe was the male driver of the vehicle, was trapped inside when it caught fire. He was also pronounced dead that scene.

Police have not yet identified the victims of the crash. They say the investigation remains ongoing.