蜜芽传媒

American 800m runner Nick Symmonds has been left out of his country's squad for the World Athletics Championships because of a row over what training kit he can wear at team functions.

He has speaking to Sportshour's Sarah Mulkerrins

Photo: Nick Symmonds reacts to the media after winning the Men's 800 Meter Run final during day four of the 2015 USA Outdoor Track & Field Championships June 28, 2015. (CREDITChristian Petersen/Getty Images)