LYNDEN, Wash. — Lynden’s interim police chief is in critical condition after he was hit by a vehicle on a Lynden street Tuesday evening.

The State Patrol reports Michael Knapp was walking across 4th Street near Grover at about 5:30 p.m. when he was hit by a pick-up without its headlights on.

The truck was driven by 19-year-old Brant J. Helverda of Lynden.

Knapp was flown to Harborview Medical Center in Seattle.

The 79-year-old Knapp is a former Ferndale Police Chief who has been serving as Lynden interim chief following John Billester’s retirement last spring.

The accident remains under investigation.