New South Wales' health minister is investigating why it took so long for an ambulance to arrive to treat Phillip Hughes.
The batsman collapsed after being hit in the head at the SCG and although an ambulance was summoned by stricken officials just six minutes later, one didn't arrive for a further 15 minutes.
NSW Ambulance has continually changed its story about the delay, prompting a probe from the state government.
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Hughes was struck by the delivery at 2.23pm (AEDT) on Tuesday, November 25.
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Players and umpires immediately rushed to his aid and signalled for help.
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The first call for an ambulance was made at 2.29pm.
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A second call was made eight minutes later, at 2.37pm.
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The ambulance responding to the second call arrived first, at 2.44pm.
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The ambulance originally dispatched arrived at 2.52pm, 23 minutes after the initial call.
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The nearest ambulance station to the SCG is just just 800m away.
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NSW health minister Jillian Skinner will meet the Ambulance Commissioner over the delay.
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Hughes was taken to nearby St Vincent's hospital where he had scans.