Mayor of city ‘with steel in its veins’ says ‘There’s a lot of tension … a lot of worry’ as 25% export levy kicks in

The sprawling ArcelorMittal Dofasco steel plant in Hamilton, Ontario has in recent months become a site of pilgrimage for Canadian political leaders.

Dressed in pristine orange coveralls and hard hats, prime ministers and provincial premiers gaze at coiled sheets of steel with the stern grimaces and keen interest of generals reviewing a military parade.