The Ring of Fire in northwestern Ontario has become a key figure in the battle to control critical minerals, which experts say is the heart of U.S. President Donald Trump's threats to annex Canada.

the Ford government is ramping up its efforts to build a road to the Ring of Fire. Creating a way to mine the mineral-rich area in northern Ontario has been on Premier Doug Ford's to-do list since ...

At a news conference, Poilievre said the Ring of Fire "could make Canada very rich. It would be life changing for northern Ontario towns, galvanizing thousands of paycheques and modern infrastructure.