This Royal Navy footage shows the successful firing of an unarmed Trident missile from HMS Vigilant during a test.
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Labour can make a collective decision on whether to back renewal of Britain's nuclear deterrent, the shadow defence secretary said.
The whale is reported to be alive and thrashing about in the shallow water as coastguards keep an eye on it in Mundesley, Norfolk.
The train crash in southern Germany is just the latest in a history of rail accidents in the country.