One of the customers added: "He was going on about this march on Sunday and making notes on a piece of paper.

"He just kept saying 'Al Quds' and going on about how wrong it was that Muslims were taking over.

"A group of the boys told him to shut up and got into a row with him and eventually he finished his drink and left.

"Now I think about it maybe his plan was to target this march but then went to the mosque when that didn't work out."

After leaving the pub, Mr Osborne fell asleep in the white hire van, that was used in the terror attack the following day.