Aidan O’Brien admitted nerves were jangling throughout the vast Ballydoyle operation as he prepares Camelot for his date with destiny in Saturday’s Ladbrokes St Leger at Doncaster.

Spacious, runner-up in the 1000 Guineas earlier this year, makes her long-awaited return in Friday’s Frank Whittle Partnership Conditions Stakes at Doncaster.

Doncaster officials are keeping their fingers crossed the cold snap does not hit Town Moor ahead of Saturday’s valuable card.