Australian jockey Simone Montgomerie has died, aged 26, after suffering fatal injuries in a fall at Fannie Bay racecourse, Darwin.
Montgomerie was riding Riahgrand in the sixth race on the Darwin Cup card but fell from from her mount in the straight.
She received treatment on the track from paramedics and was rushed to Royal Darwin Hospital in a critical condition, but she died shortly after.
The remainder of Monday's card was abandoned.
A statement from Darwin Turf Club read: "During race six today there was an accident where Simone Montgomerie was riding Riahgrand.
"Simone fell and sustained traumatic injuries.
"She was transported from the racetrack to Royal Darwin Hospital with St John Ambulance. Attending to her were two doctors assisted by paramedics.
"It is with great regret that we were advised by the family that Simone passed away shortly after arriving at the hospital."
"Darwin Turf Club in conjunct with the TRNT (Thoroughbred Racing of the Northern Territory) stewards agreed it was best to abandon the meeting in order to begin an investigation into this tragic event.
"There will be a full investigation, which has already been initiated by the stewards.
"The Darwin Turf Club along with the entire industry offer our deepest condolences and sympathies to the family of Ms Montgomerie."
Her father, Peter Montgomerie, trained 2005 Melbourne Cup runner-up On A Jeune.