PORTLAND, Ore. (KOIN) — A major crash on Highway 26 at Brookwood has slowed traffic in the area as police and medical personnel respond Sunday evening.

Hillsboro Fire and Rescue said the crash has blocked multiple lanes. Oregon State Police and Washington County Sheriff’s deputies are on the scene.

Fire authorities said one person was taken to the hospital with serious injuries.

During the crash, two dogs also got loose, but were later caught and reportedly safe.

Other details, such as what caused the crash, are still unclear at this time.

ODOT camera at US 26 and Helvetia Road shows major backup from a multi-car crash. October 4, 2020 (ODOT)

This is a developing story.