Joanne Cuddihy will compete in the Olympic 400 metres, having become the 17th Irish track and field athlete to qualify for London 2012.

World and Olympic 400 metres champion LaShawn Merritt faces an uncertain future after admitting he made a “foolish, immature and egotistical mistake” in taking banned substances which led to three positive drugs tests.

BRITAIN’S Kelly Holmes ended years of frustration at major championships last night when she won the women’s 800 metres Olympic title.