Barcelona's Argentinian forward Lionel Messi celebrates a goal during the UEFA Champions League football match FC Barcelona vs Manchester City at the Camp Nou stadium in Barcelona on October 19, 2016. / AFP PHOTO / PAU BARRENA

Mistakes happen, says Guardiola as blunders help Barca and Messi tear Man City apart

Goalkeeper Claudio Bravo was sent off after gifting ball to Luis Suarez, changing the game

Topic |   Uefa Champions League

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Barcelona's Argentinian forward Lionel Messi celebrates a goal during the UEFA Champions League football match FC Barcelona vs Manchester City at the Camp Nou stadium in Barcelona on October 19, 2016. / AFP PHOTO / PAU BARRENA
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