Aged just 24, Joseph O'Brien became the youngest ever trainer to win the Melbourne Cup as Rekindling led home an Irish one-two-three in the great race - and Twitter went into overdrive:

Pat Smullen, jockey (@patjsmullen)

"What a remarkable achievement by @JosephOBrien2 and all his team on the hill! #melbournecup."

Tony Mullins trainer (@tonymullins84)

"Joseph O'Brien wins a Derby on Australia and now he conquers Australia."

Mick Fitzgerald, former jockey (@mickfitzg)

"Well done Joseph o'Brien what an achievement, to win a Melbourne cup with Rekindling."

Michael D Higgins, President of Ireland (@PresidentIRL)

"May I congratulate @JosephOBrien2 on Rekindling's victory in the #Melbourne Cup, in a unique 1-2-3 with Aidan O'Brien & Willie Mullins."

Neil Callan, jockey (@neilcallan78)

"Very humble young trainer."

Kevin O'Ryan, jockeys' agent (@irishkor)

"Well done @JosephOBrien2 and all the team on Owning Hill on a remarkable achievement last night #proudtobeIrish."

Fairyhouse Racecourse (@Fairyhouse)

"Huge congratulations to @JosephOBrien2 following his Melbourne Cup win with Rekindling! Probably wont make it to here today for the first 😀"

Brendan Powell, trainer (@bpowell13)

"Unbelievable result for the @JosephOBrien2 stable in Melbourne. Amazing what he's achieved at 24. Sheer dedication from such a young man."

Leopardstown Racecourse (@LeopardstownRC)

"The celebrations continue! @JosephOBrien2 goes into the record books for being the youngest trainer to have a #MelbourneCup winner."

Charlie Fellowes, trainer (@FellowesRacing)

"Phenomenal achievement by @JosephOBrien2 to win the #MelbCup 3yr old stayers in Europe look like a seriously talented bunch!"

Brian Kavanagh, Horse Racing Ireland chief executive ( @bkav2011)

"Fantastic achievement by everybody. Proud day for Irish racing."

Cork Racecourse (@corkracecourse )

"What an achievement!! Great result @JosephOBrien2. Congratulations to all the team from us here @corkracecourse."

Kate Harrington, jockey (@kateharro1989)

"Amazing achievement 1 2 3 for 🇨🇮 in the race that stops the nation well done to @JosephOBrien2 #MelbouneCup #rekindling."

Dr Adrian McGoldrick, Turf Club senior medical officer (@AdrianAmcgold)

"What an amazing 1,2,3 for Ireland. Well done Joseph, Aidan and Willie."

Kevin Buckley, Coolmore UK representative (@BuckleyKevin)

"Many congratulations to @JosephOBrien2 as Rekindling wins the Melbourne Cup."

Francesca Cumani, ITV Racing presenter (@francescacumani)

"Huge congratulations to @JosephOBrien2 on winning the Melbourne Cup with Rekindling on his first trip down under. Phenomenal achievement!"

LOTS MORE MELBOURNE CUP COVERAGE IN THE IRISH FIELD NEXT WEEKEND