INVER GROVE HEIGHTS, Minn. (FOX 9) – A man was fatally pinned while working on a semi-truck that was pulled over on the highway in Inver Grove Heights. What we know: Traffic camera footage from the Minnesota Department of Transportation (MnDOT) shows authorities responding around 10 p.m. Friday to a semi-truck that was pulled over off of the westbound lanes of Interstate 494 near Babcock Trail.