The Rosetown Fire Department is reporting a semi rollover, which happened around 6:30 Monday morning near the R.M. of Sovereign, southeast of Rosetown. Fire Department Captain Duayne Leys says the Co-op tanker was carrying diesel fuel. There are no injuries and a Hazmat team is on the scene for the cleanup. Highway 15 is closed from Sovereign to the intersection with Highway 4. Leys estimates the highway will re-open early Monday evening.