Trinidad and Tobago’s Kelly-Ann Baptiste withdrew from the World Championships due to a “doping matter”, her national athletics federation has confirmed.

A miserable opening day for Ireland at the World Athletics Championships in Moscow saw the three in action on the track miss out of qualifying for their respective semi-finals, while Irish interest in the women’s marathon ended after eight kilometres.

CUBAN Dayron Robles became another high-profile disqualification at the World Championships as he was stripped of his 110m hurdles gold medal.