Dai Davies, the former head of royal protection for the Metropolitan Police, says accidents like these are embarrassing for the service, but that training for officers is very rigorous.
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Catch up with the latest episode of Coast & Country where Andrew meets the sleddog racing team and Ruth goes weather watching in Snowdonia.
What a week it's been! We started with exceptionally warm temperatures, braved Doris and now it looks like we're in for a wet weekend!
Cardiff manager Neil Warnock has agreed to stay on at the City Stadium, whilst Swansea boss Paul Clement prepares for a return to Chelsea.