Tens of thousands of workers at Samsung Electronics staged a large rally on Thursday at a vast factory complex located south of Seoul, expressing anger over compensation levels and escalating tensions ahead of a planned extended strike that could disrupt artificial intelligence chip production.

Portuguese airports are set to face travel disruptions over the New Year as ground handlers go on strike. Workers from SPdH/Menzies, formerly Groundforce, plan to walk out on December 31 and January 1.

The workers' union representing over 10,000 Starbucks baristas announced plans for a five-day strike at stores in Los Angeles, Chicago, and Seattle, starting Friday.

Thousands of Amazon workers are set to walk off the job on Thursday morning, disrupting operations in the critical final days of the holiday season.

Boeing plans to raise up to $35 billion (£26.8 billion) from investors and banks as a major strike by thousands of its employees continues into its second month.