John and Sean Quinn

John Fairley's top sprinter Highfield Princess (Fr) (Night Of Thunder {Ire}) has been retired from racing with immediate effect after suffering a "very serious and concerning" injury in her stable on Tuesday morning. The mare's trainers John and Sean Quinn, via a statement issued on social media on Thursday, said, "That morning she was transferred to Rainbow Equine Hospital and has been in their care ever since. Her progress over the past few days has been encouraging and whilst she still has a way to go to make a full...