Barron said: "He's fractured his splint bone
, just below the knee, and how it's happened I haven't a clue.
The splint bones
are small in comparison to other bones but help supply support and stability to the knees and hocks.
The winner is trained by Richard Rowe, who said: "He's been a nightmare to train, having been fired and had a splint bone
removed, but he's a cracking horse when he's right.
Kalahari King suffered an injury at AscotS in November and trainer Ferdy Murphy said: "He cracked a splint bone
and had a slight fracture but luckily Graham [Lee] pulled him up in time.
The British-bred five-year-old has not raced since damaging a near-fore splint bone
shortly after winning the Empress Club Stakes at Turffontein in February.
Trainer Micky Hammond said: "He smashed a splint bone
when he fell in the Grand Sefton last autumn and we took him straight to Minster Vets in York for surgery.
He had a broken splint bone
which is why he hasn't run recently and I was worried that he might lack some fitness," said Monteith, who trains the nine-year-old for Edinburgh-based Ian Bell, who was gaining his 50th success.
When he was getting ready to run in October he chipped a bone in his knee and then fractured a splint bone
," said trainer Michael O'Brien's assistant Denis Cullen.
When this fellow won on his debut at Navan in November 2004, he got a cut, which led to a splint bone
Griffin said yesterday: OMirpour fractured a splint bone
when he won at Tipperary.
A proven Festival performer, having run Brave Inca to a neck in the Supreme Novices' Hurdle a year ago, War Of Attrition has won both his starts since switching to fences and proved his recovery from a fractured splint bone
to record an easy win at Naas in February.
A hairline crack on his splint bone
, an injury which left his trainer ``feckin' shell-shocked'', threatened his whole season.