Dan Walker has finally shared CCTV footage of the injury which could have forced him to drop out of Strictly Come Dancing before the series had even begun.The BBC Breakfast anchor, 44, suffered a nasty head injury after accidentally slamming his head on a glass pane at a hotel - and he had to be rushed to hospital for a brain scan afterwards.Dan took to Instagram to share the unseen video of the dramatic moment with his 263,000 followers.In the clip, Dan was on the phone, and he ran over to the door before smacking his head on the glass pane and falling onto the floor of the hotel lobby.The BBC presenter admitted that he'd left his wallet in a taxi and had tried to make a dash to retrieve it from the cab before colliding with the door.Two.
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