It’s a case of gold or bust for Jonnie Peacock when the World Para Athletics Championships head to the capital this summer – with the 23-year-old determined to prove once and for all he really is the best in the business.

Four-time Paralympic champion Ellie Simmonds hopes that this year’s games in Rio can emulate the legacy of London 2012.

Sale’s John Smith admits switching sports was always going to be a risk, but the wheelchair racer has no regrets after making his Olympic Stadium debut on Sunday as part of National Paralympic Day celebrations.

The 2012 London Olympic Games were a watershed moment for Jonnie Peacock and he has since followed his win with gold medals at the World Championships in Lyon in 2013 and European gold a year later.