DUNCAN, S.C. (WSPA) – Portions of I-85 South are closed due to a fatal collision, the South Carolina Highway Patrol announced Sunday night.

Trooper Joe Hovis confirmed the incident occurred at 6:45 p.m. on I-85 southbound near mile marker 63 in Duncan.

According to a release from Trooper Hovis, the driver of a Chevrolet Sedan, later identified by the Spartanburg County Coroner’s Office as being Paul Dane Swick, of Blacksburg, was stopped in southbound traffic on I-85 when the driver of a Toyota Sedan crashed into him from the rear.

The collision resulted in Swick striking two other vehicles, and the driver of the Toyota Sedan also hitting two additional vehicles.

Swick was entrapped, and had to be mechanically extricated. He pronounced dead at the scene.

Of the four additional vehicles involved in the collision, one person sustained an injury.

The investigation is ongoing.

Trooper Hovis tweeted out detour instructions, urging travelers to take Exit 63 to get around the closures.

This is a developing story. 7News will keep you updated as more information becomes available.