"We continue to work closely with the Ministry of Defence to explore all possible options to determine how best to sustain the capability to deliver complex warships in the UK in the future.
"This work is ongoing and we are committed to keeping our employees and trade unionsinformed as it progresses."
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The rapper joins previously announced headliners Kasabian and Muse at the top of the bill.
Friday morning's forecast for the east of the region
Friday morning's forecast for the west of the region