Authorities say a Wayzata police officer was struck and killed while trying to remove debris from a highway.

WAYZATA, Minn. (AP) — Authorities say a Wayzata police officer was struck and killed while trying to remove debris from a highway.

The Hennepin County Sheriff's Office says Officer William Mathews had pulled over to the side of eastbound Highway 12 about 12:30 p.m. Friday when he was struck by a car. The 47-year-old Mathews was pronounced dead at a hospital.

Authorities say the driver of the car, a 54-year-old Mound woman, stopped immediately and was cooperative. Records obtained by KSTP-TV show that she had a revoked license and a history of traffic violations.

Investigators say it could take weeks to finish the investigation.

Mathews had been with the department for nine years. He was married and the father of a 7-year-old boy.

Wayzata Police Chief Mike Risvold called it "an enormously sad day."

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WAYZATA, Minn. (AP) — Flags are flying at half-staff at a suburban Minneapolis police department amid reports that one of its officers was struck and killed by a vehicle.

The Wayzata Police Department has not officially announced the officer's death but has called a news conference for 4:30 p.m. Friday.

Minneapolis Police Chief Medaria Arradondo asked those attending his swearing-in ceremony Friday afternoon for a moment of silence for the officer who he said had been killed.

The officer was stuck while removing debris from Highway 12, and the eastbound lanes were shut down for several hours. Video from a WCCO traffic helicopter showed a silver van or SUV with front-end damage stopped on the road.

Few details were immediately released. The Wayzata Police Department did not immediately return a call seeking details.