Chief Dalton Silver said without an investigation, he would have no confidence in Trans Mountain’s ability to finish building its expansion project without “inflicting more damage to our territory."

Trans Mountain says it has reached another "key milestone" in the project to triple capacity of a pipeline moving oil from the Edmonton area to port in Burnaby, B.C.

The legal counsel for Coldwater, part of the Nlaka'pamux Nation in British Columbia, is taking issue with a key shift in the federal energy regulator's approach to Trans Mountain pipeline hearings that abandons oral cross-examination in favour of written questions.

Olivier Adkin-Kaya of Youth Stop TMX told National Observer the group is “looking to fundraise to cover a lot of legal costs."