Alberta, Saskatchewan, Ontario Unite to Urge Michigan Not to Shut Down Line 5

Construction of the Line 5 pipeline near St. Ignace on June 8, 2017, as Enbridge prepares to test the east and west sides of the pipeline under the Straits of Mackinac in Mackinaw City, Mich. Dale G Young/Detroit News via AP

WASHINGTON—Shutting down the Line 5 pipeline would create a “dangerous precedent'' that would forever imperil future cross-border infrastructure projects between Canada and the United States, says Alberta’s energy minister.

Sonya Savage joined counterparts from Saskatchewan and Ontario in warning a House of Commons committee Tuesday about the knock-on effects that could result if the cross-border pipeline is shut down.