A pedestrian sustained serious injuries Saturday when he was hit by a vehicle while walking his dog.

WABI-TV reports the accident happened around 7 p.m. Saturday on Route 102 in Tremont. A New Jersey man was walking his dog near Kellytown Road when he was struck by a passing vehicle that didn't stop. The victim was taken by helicopter to EMMC in Bangor.

Police tracked the vehicle to Cape Road in Tremont where they arrested 51-year-old Scott Merchant. He's charged with OUI and Leaving the Scene of an Accident. Police say more charges are likely.