A piece of debris is seen near the scene of the crash of Virgin Galactic"s SpaceShipTwo near Cantil
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News briefing on Virgin Galactic rocket ship crash

A news briefing is under way following the Virgin Galactic rocket ship crash in the US in which a pilot died and another was seriously injured.

Mr Branson, founder of the Virgin Group and a long-time advocate of commercial space travel, said he was "shocked and saddened" but would "persevere".