TC Energy stated it will be conducting a "full investigation into the root cause of this incident in Kansas." On Wednesday TC Energy restarted a section of the main trunk of its Keystone pipeline from Hardisty, Alta. to the U.S. Midwest, as well as a branch extending eastward to Illinois. The 4,324-km pipeline helps to move Canadian and U.S. crude oil to markets around North America. "We are committed to operating our systems safely and to continuing our meaningful and respectful dialogue with the Nation and all Indigenous groups affected by our projects and operations," said TC Energy in its email statement. (Top Photo: Chief Scott Eashappie. Photo Courtesy of Facebook.)