GMB

Alan Perry from the GMB union said the Belfast sites should "remain as one identity" and that the deal "raises serious concerns over the future of more than 2,500 workers who don't work on the Airbus contract".

Charlotte Brumpton-Childs, the GMB Union's national officer, said the ending of the process was "fantastic news for steel workers and the people of Scunthorpe".

Claire Greer, GMB Scotland organiser, said the company revised its offer after talks with conciliation service Acas but only made it worse.

Three unions are taking part in the action, Unite, the GMB and Unison.

Parts of the labour movement, including unions such as the GMB and Unite, have warned of risks to thousands of well-paid jobs in the oil and gas sector.