Canada Calls Halting Massive Oil Pipeline in Michigan 'Non-Negotiable' On 4/28/21 at 2:10 PM EDT Associated Press reported. Canadian officials support Enbridge's previously filed federal lawsuit that challenges Whitmer's orders after she ordered Enbridge's Line 5, which runs from Alberta's oil fields to refineries in the U.S. Midwest, to shut down last fall over concerns of an oil spill that could harm Lake Huron and Lake Michigan. "Our government supports the continued safe operation of Enbridge's Line 5," Canada's minister of natural resources, Seamus O'Regan, wrote in an email to AP. "It ...