The England and Wales Cricket Board said it has received an apology from Kevin Pietersen and an admission that he did send "provocative" text messages to members of the South African team.
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Butterflies and nerves of steel were behind the images shared and seen by millions across the globe.
The Duke and Duchess of Sussex thanked everyone who took part in the celebrations on Saturday, Kensington Palace said.
Established in 1913, the flower show has become one of the world’s biggest showcases for horticultural excellence.