DEVELOPING: Death investigation underway in connection to semi stopped on I-29

SIOUX FALLS, S.D. (Dakota News Now) - Authorities say a death investigation is underway in connection to Tuesday’s multi-agency law enforcement presence around a stopped semi on I-29.

The South Dakota Division of Criminal Investigation is conducting the death investigation in conjunction with the South Dakota Highway Patrol and Union County Sheriff’s Office.

On Tuesday, a large law enforcement presence was spotted surrounding a semi stopped on I-29 south of Beresford. Authorities were seen searching the semi and wearing protective gear.

No other details on the investigation have been released.

This is a developing story. Check back for updates.