Magician, seen here winning the Dee Stakes at Chester, is the ante-post favourite for the Irish 2,000 Guineas at the Curragh. O’Brien reveals team of four for Guineas

Ante-post favourite Magician joined by Flying The Flag, George Vancouver and Gale Force Ten

Group One-winning jockey Eddie Ahern has been disqualified for a total of 10 years following the conclusion of a British Horseracing Authority corruption hearing. Photograph: David Davies/PA Wire. Jockey Eddie Ahern banned for 10 years

Irishman to appeal after being found guilty by BHA of conspiring to commit a corrupt or fraudulent practice

Encke lands last year’s St Leger at Doncaster, denying Camelot the much coveted Triple Crown. BHA say there’s no reason to disqualify St Leger winner Encke

Spokesperson insists any banned substance would have been detected at the time

First Cornerstone, ridden by Chris Hayes, wins the Galileo European Breeders Fund Futurity Stakes at the Curragh last August. Photograph: Inpho/Ryan Byrne Andy Oliver hopes to move to centre stage with First Cornerstone and Dubaya

Co Tyrone trainer forks out €30,000 supplementary fee for Dubaya to race in Sunday’s 1,000 Guineas at the Curragh

Johnny Murtagh on Viztoria wins the European Breeders Fund Athasi Stakes at the Curragh earlier this month. Photograph: Inpho Eddie Lynam issues upbeat bulletin on star filly Viztoria ahead of Irish 1,000 Guineas

Curragh manager Paul Hensey has no plans yet to water Classic ground

Last year’s Ladbrokes St Leger winner Encke among seven more horses from Mahmood Al Zarooni stable to test positive for anabolic steroids. Photograph: Getty Images St Leger winner Encke among seven more Godolphin horses to test positive

Camelot’s attempt to win the Triple Crown was frustrated by the Al Zarooni-trained horse

More Godolphin horses test positive for stanozolol

Last year’s St Leger winner Encke among new positive tests at Zarooni yard

Jim Bolger: keen to fill in a 2,000 Guineas Classic blank on his CV Trainer Jim Bolger now turns his attention to securing elusive Irish 2,000 Guineas

Johnny Murtagh bids for glory with two colts, Fort Knox and the sopplemented Ask Dad

Thousand Stars runs in the Prix la Barka. Mullins turns his attention to some of France’s top hurdle races

Thousand Stars will warm up for a hat-trick attempt on next month’s French Champion Hurdle in tomorrow’s Prix La Barka