Two people were killed after their vehicle crashed into a tree in Onalaska on Thursday, according to the Lewis County Sheriff’s Office.

A third occupant inside the vehicle, a 48-year-old woman, was airlifted to a hospital in Vancouver with critical injuries.

The crash was reported at approximately 12:09 p.m. on May 9 in the 600 block of Gore Road, according to the sheriff’s office.

The 52-year-old male driver and a 64-year-old male passenger were both pronounced dead at the scene.  The sheriff’s office has not released any of the identities of those involved in the crash.

“Speed was a factor. This case is still under investigation,” the Lewis County Sheriff’s Office said in an email to The Chronicle on Friday.