LAKE COUNTY, Ind. -- An Indiana State Police trooper and the driver of a semi were injured when the semi driver lost control and struck the trooper's Dodge Charger.

The trooper was on the outer shoulder covering a single vehicle crash on I-80/94 westbound around 11:10 p.m. Monday when a semi loaded with empty auto racks lost control, jackknifed and struck the trooper's vehicle.

The trooper's Charger hit a 2009 Mazda involved in the earlier crash the trooper was investigating.

Trooper Zachary Huston was taken to Saint Mary’s Medical Center in Hobart with non-life threatening injuries.

The driver of the semi, Sukdib Dhesi, 55 of Brampton, Ontario, was taken to the University of Chicago with serious injuries.

The driver of the Mazda was not injured, but was cited for expired plates.

Dhesi, the semi driver, was cited for unsafe lane movement.