(St. Cloud, MN) -- Authorities in St. Cloud are now handling the investigation into an alleged sex assault by a semi driver who was stopped Monday morning on I-94 east of Moorhead. A state trooper responded after a woman texted Otter Tail County dispatch that she'd been sexually assaulted by the driver. Follow-up investigation indicated the alleged assault occurred in Stearns County and the case has been turned over to the sheriff's office in Saint Cloud. The semi is owned by an Iowa company.