Walmart strike threat spreads along supply chain as unions think big

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The spectre of widespread industrial action returned to US supply chains today after the International Transport Workers’ Federation (ITF) voiced its concern over Walmart’s treatment of warehouse workers.

This week ITF inspectors have been boarding container ships carrying Walmart goods “to pass on warnings that the company may be experiencing industrial action in the run up to Christmas”. The US retailer is said to be the single largest shipper in the world, controlling around 600,000teu per year.

The move comes after protests ...