A Navy officer and two other people were killed when a pickup truck collided with a sedan in Chon Buri on Friday.
Plu Taluang Police arrived at the scene on Sattahip Pier Road in Sattahip at 4.30am to find a wrecked sedan on the road.
Navy officer Suttipong Amma, 27, the driver, and a male passenger, were dead inside the sedan, police said.
Nearby, they found an overturned pickup truck. The driver, Chalermpon Wichean, 59, was dead inside the damaged vehicle, police said.
Police are checking CCTV footage to determine the cause of accident.