A committee of MPs has severely criticised the private consortium that manages the Sellafield nuclear plant in Cumbria.
In its latest report, the Commons' Public Accounts Committee says it is extremely concerned about spiralling costs and delays to projects.
Chair of the Committee, Margaret Hodge MP, says the contract for Nuclear Management Partners (NMP) should have been reconsidered, before an extension was awarded.
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Calmer conditions - for now.
The 12.5 hour walkout by 63 GMB members got under way at 6am this morning and will continue until 6.30pm this evening.
37-year-old Graeme Haddon pleaded guilty to the offence which happened in his home village of Lamancha near West Linton at the weekend.