Champion 2-year-old Pinatubo stayed isolated behind the closed doors of Charlie Appleby's Newmarket training base at Moulton Paddocks at the weekend and is expected to stay there for the coming weeks.

Quorto , who won the Goffs Vincent O'Brien National Stakes (G1) in 2018 as a 2-year-old and was an early favorite for the European 3-year-old classics last year, suffered a fatal injury July 9 during ...