A horrendous error from goalkeeper Petr Cech allowed Jordan Ayew to score a tap-in which put the hosts ahead just after the hour mark, before Sam Clucas' second goal made the result safe.
Watch how Petr Cech gifted Ayew a goal in Arsenal defeat (Video)
The Ghana international scored his eighth goal of the season capitalizing on Petr Cech’s howler.The Ghana international scored his eighth goal of the season capitalizing on Petr Cech’s howler.
Mesut Ozil's sensational pass had allowed Nacho Monreal to open the scoring for the Gunners, but Clucas levelled for Swansea within a minute at the Liberty Stadium.
Swansea earned back-to-back wins for the first time this season, while Arsene Wenger's side have won only three of 13 Premier League away games this term.
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