Authorities are investigating after two dead bodies were found inside a semi on I-29 June 8.

On Tuesday, a large multi-agency law enforcement presence was seen surrounding a stopped semi on I-29, south of Beresford, near the Volin exit. Authorities said two bodies of adults were found in the cab of the truck.

Autopsies have been completed, authorities said.

The DCI said authorities are not looking for any suspects. Authorities did not release any other details. The investigation is ongoing.

The South Dakota Division of Criminal Investigation with the South Dakota Highway Patrol, and the Union County Sheriff’s Office are investigating.