"It's pretty unusual, " Cook County Medical Examiner Stephen Cina said, commenting on the rarity of cyanide poisonings.

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Simon Cook then removed Northants opener Stephen Peters before the close, to leave the hosts 38-1 at stumps.

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Cook is also unconcerned about being outmuscled and believes Arthur's unconvincing win over Stephen Foster Jr last December showed the Scot could be given problems by smaller men.

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Stephen Mosley, the Conservative MP for Chester, who was at the gig, tweeted a picture of Cook in action on the decks.

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