President Obama said the US and coalition forces will move to a support role in the Afghan conflict this spring.
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Henri van Breda also attempted to kill his sister, who was left fighting for life after the savage attack at the family home.
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.