A night for Lionel Messi as Barcelona humble Pep Guardiola’s Man City – in pictures

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  Manchester City manager Pep Guardiola shown at the Camp Nou. John Sibley / Action Images / Reuters

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  Manchester City’s Sergio Aguero heads towards the substitutes bench before the match. John Sibley / Action Images / Reuters

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  Barcelona fans show ‘esteladas’ the Catalonia flag, and a symbol of the Catalan independence movement. Alberto Estevez / EPA

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  Barcelona’s Lionel Messi, right, smiles while talking with teammate Neymar. Francisco Seco / AP Photo

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  Barcelona’s Lionel Messi rounds Manchester City’s Claudio Bravo to score their first goal. John Sibley / Action Images / Reuters

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  Barcelona’s Lionel Messi celebrates scoring their first goal. John Sibley / Action Images / Reuters

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  Referee Milorad Mazic, left, shows a red card to Manchester City’s goalkeeper Claudio Bravo. Alejandro Garcia / EPA

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  Lionel Messi of Barcelona scores his team’s second goal. Shaun Botterill / Getty Images

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  Lionel Messi of Barcelona celebrates after scoring his team’s second goal. Alex Caparros / Getty Images

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  Barcelona’s Lionel Messi scores their third goal to complete his hat-trick. Albert Gea / Reuters

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  Barcelona’s Lionel Messi celebrates scoring their third goal. Albert Gea / Reuters

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  Barcelona’s Neymar scores their fourth goal. Albert Gea / Reuters

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  Barcelona’s Neymar celebrates scoring their fourth goal. Albert Gea / Reuters

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  Barcelona’s Lionel Messi celebrates during the victory over Manchester City. John Sibley / Action Images / Reuters

Images from Barcelona's 4-0 win over Manchester City on Wednesday night in the Champions League, as Lionel Messi delivered a match-dominating performance with a hat-trick.

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