An Alberta First Nations Chief is warning there will be further action from aboriginal groups, if talks between the Prime Minister and First Nations leaders break down in Ottawa.
Athabasca Chipewyan First Nation Chief Allan Adam says Highway 63, in particular, would be targeted.
"Whatever goes on in Ottawa here today, and if it doesn't turn out for the good, it could turn very ugly, very fast," Chief Adam said Friday. "If things don't turn out the way we want, I can honestly say that Highway 63 to the oilsands will be shut down."
Chief Adam was one of hundreds of people who turned up for a peaceful Idle No More rally downtown Edmonton, Friday. Demonstrators gathered to show their support for the 20 First Nations leaders who are meeting with Prime Minister Stephen Harper in Ottawa.
The Idle No More movement started in opposition to the Federal government's omnibus Bill C-45, which included changes to the Navigable Waters Protection Act.
"The importance is the land and the environment," explained demonstrator Vincent Steinhauer. "People are concerned with treaty rights and concerned with rights to the land, and if we let those goes then everyone's going to suffer."
"If we don't stand up and fight for our kids, our grandchildren, you know, we might lose everything for them. They might not have anything, that's why we're here," added fellow demonstrator Elaine Letendre.
Members of Friday's rally are calling for change from Harper's government, however, many say they aren't hopeful things will go well.
"It's really hard to have hope because Chief Theresa Spence has been on a hunger strike for a month and nothing has happened," said Samantha Ledger who showed up Friday to show her support.
Chief Adam says while he had hoped it wouldn't come to this, more rallies and highway blockades could take place in the days and months to come.
"There will be major shutdowns of major highways and industry will be a target," said Adam.
"I promote that. I support that. That will happen all over the place," Letendre added. "It would be disappointing but, it's something that we're going to have to do. We're going to have to take more action."
Similar rallies and highway blockades were held across the nation Friday.
See photos from Friday's rally in Edmonton below:
With files from Fletcher Kent.
© Global News. A division of Shaw Media Inc., 2013.