Australia's players have been left shaken after England captain Eoin Morgan was struck on the helmet and forced from the field in the fifth one-day international at Old Trafford.
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Morgan was on one when he ducked into a short ball from Mitchell Starc and was hit on the head.
He dropped his bat and walked off the pitch, with Starc and George Bailey offering an arm for support as the England skipper attempted to steady himself.
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Australia's captain Steve Smith signalled to the England dressing room to bring out the medical staff, who helped the left-handed batsman from the field after a five-minute assessment.
Starc remained rattled for several overs, and was consoled by teammates as well as coach Darren Lehmann, who wandered down to chat to his strike bowler at fine leg.
Smith said he and his teammates remain deeply affected by the death of close friend and teammate Phillip Hughes less than a year ago, who passed away after being struck on the neck by a short delivery.
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The captain said he was unable to put a timeframe on when incidents such as this won't instinctively rattle them.
"That's a really tough one to answer. I'm not really sure," Smith said.
"I guess each individual is going to be different as well.
"Whenever anyone gets hit on the helmet like that your first concern is for their health.
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"I hope (Morgan is) OK and he can recover well.
"I think there were a couple of guys that were a bit shaken up, Starcy in particular.
"Obviously it was a tough summer for us back home, losing a close mate.
"It's always nasty when you get a (blow) like that, so there were a few guys shaken up."
Starc was the only player involved on Sunday who was playing the day Hughes was hit while batting for South Australia in a Sheffield Shield match last November. He died two days later from the injury.
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Earlier in the UK summer, there was great concern for Test opener Chris Rogers when he retired hurt during the second Test at Lord's complaining of dizziness having been struck on the helmet during the match.
Rogers had also missed Australia's two Tests against the West Indies in June with concussion after being hit on the head during a net session.
He has since retired from Test cricket, saying his long-term health had played a factor in his decision.