SportIllness rules out reining champsAnn Martin13 April 2012Neither the King George V or Queen Elizabeth II Cups will be defended by their holders at the Royal International Horse Show at Hickstead on Sunday.The 2000 winners, Cameron Hanley (on Ballaseyr Twilight) and Claudia Neureiter ( Ballaseyr Leonardo), will not compete after American owner Marian MacMillan became seriously ill and decided to sell up.The show opens tomorrow with Great Britain hoping for at least a top-four finish in Friday's Samsung Nations Cup.MORE ABOUTSamsung