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South Africa opened the scoring inside six minutes when Kayla de Waal nudged the ball in after a penalty corner.

But a fine strike from Olympic debutant Amy Costello, in a penalty corner move straight off the training pitch, brought GB level before half-time.

Britain continued to pile on the pressure and defender Morton completed the comeback with a thumping finish from a penalty corner.

Sam Ward powered in two strikes from penalty corners either side of Kane Russell scoring from a New Zealand penalty corner.

Jones then scored as she turned in an angled shot from Hamilton following the game's first penalty corner.