CHESTERFIELD, N.H. (MyKeeneNow) Emergency crews responded to a serious two-vehicle crash Sunday evening on Route 9 near Linfield Lane.

According to initial reports around 5:06 p.m., the collision involved a head-on crash with possible entrapment. New Hampshire State Police were on scene, and at least six people were reported involved, with injuries unknown.

Multiple ambulances were requested, and traffic in the area was reduced to one lane with alternating flow as responders worked at the scene.

Motorists were advised to expect delays and seek alternate routes if possible.

This story will be updated when more information is available.