An injury to Olympic 400m champion LaShawn Merritt was the big talking point of the Diamond League meeting in Monaco last night.

David Gillick remains unfazed by the fact he has yet to qualify for the Olympic Games men’s 400m and revealed there may be mere weeks to spare before he achieves the required ‘A’ time.

American LaShawn Merritt has been cleared to defend his 400 metres title at the London Olympics after winning his appeal against an International Olympic Committee (IOC) ban.

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

’Blade Runner’ Oscar Pistorius insisted he was not a “pioneer” despite qualifying for the semi-finals of the 400 metres on his historic appearance at the World Championships in Daegu today.

The International Olympic Committee have reaffirmed that 400 metres champion LaShawn Merritt will be ineligible to defend his title at the 2012 Olympics in London.

Olympic 400metre champion LaShawn Merritt has been handed a 21-month ban for returning three positive drugs tests.

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.

JEREMY WARINER wants to break the stadium record in the 400m at the 33rd Belgacom Van Damme Memorial Golden League meeting in Brussels tonight – and Ireland’s David Gillick will have a part to play in the bid.

ON a night that saw Yelena Isinbayeva bounce back from the disaster of the world championships to set a new world record in the pole vault, Ireland’s David Gillick improved on his Berlin placing to finish fourth in the men’s 400m and Derval O’Rourke finished seventh in the 100m hurdles at the Golden League meeting in Zurich.

AFTER their Berlin adventures, David Gillick and Derval O’Rourke make a quick return to big-time athletics at the Weltklasse in Zurich, the penultimate Golden League meet, tonight.

AMERICA’S Allyson Felix last night cruised to her third straight 200 metres title in the World Championships in Berlin, but compatriot Jeremy Wariner failed to secure his own hat-trick.

DAVID GILLICK emerged from the old Olympic Stadium in Berlin last night with his head held high, after finishing sixth in the final of the men’s 400m.

David Gillick finished sixth in tonight’s final of the 400m at the World Championships in Berlin.

Irish athlete David Gillick has finished sixth in the final of the 400 Metres at the World Championships tonight.

JIM KIDD, David Gillick’s former coach at Dundrum/South Dublin, predicts he will break the Irish record in the final of the men’s 400m at the world championships in Berlin this evening (8.20 pm Irish time).

SOUTH AFRICA’S Caster Semenya, the subject of an official investigation into her gender, last night won gold in the 800 metres at the World Championships in Berlin.

DAVID GILLICK produced the third fastest time of his career to qualify for tomorrow night’s 400m final at the world championships in Berlin.

THE race may not have lived up to its billing but Ireland’s David Gillick won’t complain about that after finishing third behind the Olympic champion, LaShawn Merritt (USA) in the 400m at last night’s Super Grand Prix meeting in Monte Carlo.

Ireland's David Gillick sensationally broke the 45-second barrier for the second time in six days at the Golden Gala Meeting in Rome tonight.

USAIN BOLT ran a tremendous time of 19.59 seconds in atrocious conditions to win the 200 metres at the Athletissima meeting in Lausanne last night – while Ireland’s Paul Hession took the B race in the same event.

USAIN BOLT overcame a poor start to claim an easy victory in the 100 metres at the AF Golden League meeting in Zurich despite clearly being under the weather.

Usain Bolt overcame a poor start to claim an easy victory in the 100m at the AF Golden League meeting in Zurich despite clearly being under the weather.

THE contrast between American and Jamaican sprinting was demonstrated again in the 4x100m relays, where the US team dropped the baton in both the men’s and women’s races.

The United States dominated the final day of the athletics World Championships with three more victories matching the team’s haul of 14 gold medals two years ago in Helsinki.

Tyson Gay picked up a third gold medal and Team USA continued to dominate in sprinting events by winning the 4x100 metres relay at the World Championships in Osaka tonight.

Paul Hession narrowly missed out on breaking his own Irish 200 metres record at the Olympic meeting in Thessaloniki, Greece tonight.

Alistair Cragg and David Gillick continued their build-up to next month's World Championships at the IAAF Golden League meeting in Rome tonight but the Irish duo both failed to make an impression in the Olympic Stadium.

Alistair Cragg is looking for a fast 5,000 metres performance tomorrow in Rome in his build-up to next month’s World Championships.