Yasmin Smith, who rushed to Bradley Wiggins' aid, has told Daybreak that the woman involved in the collision didn't realise who he was at first.
"She was even more upset when the police told her who she had hit," she said.
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Ten people have died on the mountain so far this climbing season - four more than mountaineering officials expect in a typical year.
“We can use peace”, the US President told the pontiff in their first face-to-face meeting on Wednesday.
A man with a knife has been arrested near Buckingham Palace in an incident Scotland Yard said was not believed to be terror related.