All westbound lanes of the Highway 401 at Highway 25 in Milton, Ont., have been reopened after a truck spilled diesel and caught fire Thursday morning.

The truck, which was carrying a load of cheese, caught fire at approximately 7:30 a.m., OPP said. Pictures from social media show the tractor trailer engulfed in flames. No injuries have been reported.

The highway was temporarily closed while Ministry of Transport officials investigated the incident. Traffic during the closure was being diverted at Highway 25. All westbound lanes were reopened at approximately 3 p.m.