Paul Scott, a worker at Alcan, describes today as "the end of the line for aluminium smelting in England."Bill Armstrong, a casting plant operator, said: "They're switching off a life support system for 3,000 jobs."
More top news
The 60-year-old takes charge of the Black Cats with immediate effect.
What has the weekend got in store for the Tyne Tees region?
The operation took around three hours to complete, with the remains being disposed of by a specialist animal by-product company.