Alva Review-Courier -

MINNEAPOLIS (AP) — Protests are ratcheting up against Enbridge Energy's plan to replace its Line 3 crude oil pipeline from Canada to Wisconsin, and against a separate aging Enbridge pipeline under the waterway linking Michigan's upper and lower peninsulas.

Six protesters were arrested this week near Superior, Wisconsin, where Enbridge began work in June on a 12.5-mile (20-kilometer) segment amid plans to eventually replace Line 3, which carries Canadian tar sands crude from Alberta across North Dakota and northern Minnesota to its terminal in Superior. The protesters briefly shut down construc...