A businessman who encountered the Westminster terrorist hours before the attack recalls how he was smiling and came across as polite.
Michael Petersen found himself next to Khalid Masood at the reception desk of the Preston Park Hotel in Brighton.
He said there was nothing about the attacker that would have suggested he was "on his way to do something quite atrocious".
Mr Petersen told Sky News: "I notice a very polite demeanour from the killer, and there is nothing in his conduct that would make me have any suspicious thoughts towards him.
"I remember he was roughly my height, very white teeth, smiling, articulate, polite. But all I saw of him would have been about 10/15 seconds."
Asked about how he feels having been standing next to the attacker, he said: "The shocking realisation that you can stand next to somebody that is totally, perfectly, normal - articulate, polite, presentable, and the guy's on his way to commit mass murder."
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