British and Irish Lions captain Sam Warburton will undergo a scan on his hamstring in Melbourne before rejoining a squad who face a deciding third Test against the Wallabies next weekend.

Warburton came off 13 minutes from the end of the Lions' cliffhanger 15-16 loss to Australia in Melbourne on Saturday and there are doubts over whether he will be able to play in the series decider in Sydney.

"Sam Warburton will remain in Melbourne for a scan on his injured hamstring this evening," the Lions said in a statement.

"The British and Irish Lions captain will then fly to Noosa (Queensland) tomorrow (Monday) to re-join the squad."

After Saturday's match Warburton said team physios would make an assessment on him over the next 48 hours.

"I've got a sore hamstring. I'm not sure, I haven't done it before," he said Saturday. "This is a new injury, so I'm not too sure to be honest."

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