Dock employers in British Columbia plan to shut out workers Monday in response to a union's strike notice, grinding trade to a halt at Canada's busiest and third-busiest ports.

Dock employers in British Columbia said they will shut out workers on Monday in response to a union’s strike notice, grinding trade to a halt at terminals across Canada’s busiest and third-busiest ports.

Maritime employers in British Columbia will lock out more than 730 dock foremen across Canada's West Coast ports Monday afternoon, straining activity at major ports on both sides of the country. The lockout would severely hamper operations at West Coast ports including Vancouver and Prince Rupert,