He said candidate Sardar Sarfraz Domeki's other guards fired back, killing one of the attackers and wounding the other.

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Police said the pair had fled to Jordan after the killing, but were extradited back to Dubai on Sunday.

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Murray had been accused of being a "drama queen" by former tennis star Virginia Wade after receiving lengthy on-court treatment during an earlier match against Jarkko Nieminen, but revealed he had refused pain-killing injections to counter the back pain he has been suffering since the start of this year.

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