A Thunder Bay man has succumbed to injuries sustained in a single vehicle crash on Umex Mine Road in Pickle Lake. OPP say the incident occurred on March 16th and involved a tractor trailer unit, carrying a bulldozer and large metal conatainer. Police say the tractor trailer unit slid into an intersection and jacknifed while striking a snow bank. The driver was transported to Thunder Bay Hospital with serious injuries. Police say the man, 58-year-old Thomas Dufault, was released from Hospital on March 24th, but later died.