Jean Ellis, of Eagle Harbor, Michigan, a former teacher who is also a descendant of Cornish immigrants, has researched Cornish migration and said from the late 1800s there was a "stream of young Cornishmen carrying unique skills and knowledge to every mining camp in North America".

BBC: Cornwall

Mr Bolton said that the company would now start to construct a road through the protest camp to improve access for the mining operation.

BBC: UK Coal say Wrekin protesters 'peacefully' evicted