Michael McKillop has retained his world championship title at the Paralympic World Championships in Qatar.

McKillop claimed gold in the men's T-37 1500m final this afternoon in Doha to add to his 800 metre title that he won earlier this week.

The Ballymena runner finished five seconds clear of his closest challenger in a winning time of 4 minutes 16.19 seconds.

Also this afternoon, Ireland's John McCarthy finished in second place in his T-51 400metre semi-final to advance to tomorrow's final.