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Test and line up period is due to commence at 15:45GMT/16:45CET

Please ensure you have the up to date production schedule available here.

Services established but some incorrect subs at this time, will update when all is correct leaving Winchester.

Subs all correct at 15:52GMT.

Brief flash seen at 17:47GMT (US origin).

Picture disturbance seen at 20:18GMT affecting all European services, traced to fault at origin.

Services ceased at 21:08GMT