Two people were killed when a van crashed off a country lane.
A 52-year-old man was pronounced dead at the scene on Station Road, Goostrey, Cheshire, at about 15:00 GMT, following an incident involving a Peugeot van.
A second man, aged 53, was taken to hospital but died from his injuries.
Two other men, aged 48 and 49, were also taken to hospital but their injuries were not life-threatening, Cheshire Police said.
Det Sgt Amy Hollis said: “We are continuing to work to establish exactly what happened and would appeal to anyone who witnessed the collision, saw the vehicle involved in the moments leading up to it, or has dashcam footage that could assist our investigation, to get in touch with us.”