Trainer Jessica Harrington has confirmed 2017 Cheltenham Gold Cup winner Sizing John has been ruled out for the season.

Horse racing will resume in Britain on Wednesday after an outbreak of equine flu resulted in a six-day shutdown.

Trainer James Tate doubts racing will resume this week after four new cases of equine flu were discovered in Newmarket on Sunday.

Though the Grand National has been around since 1839, women have only been able to compete in the year's most famous horse race since 1977.

Four news cases of equine influenza have been identified in vaccinated thoroughbreds at trainer Simon Crisford's Newmarket yard.

The Professional Jockeys Association (PJA) claims jockeys could be affected financially if racing is shutdown for longer than a week.

Pravalaguna could feature at next month's Cheltenham Festival after an impressive win in the BBA Ireland Limited Opera Hat Mares Chase.

Tests on hundreds of horses have unearthed no new cases of equine flu, according to the British Horseracing Authority.

Connections will play a waiting game with Native River but accept that he might not get a prep run before Cheltenham.

Newbury racecourse say they have 'necessary contingencies' in place for abandonments after racing was suspended due to equine flu.