Mikel Arteta left fuming over 'very difficult to accept' penalty decisions in Arsenal's Champions League defeat to Inter Milan as Gunners boss backs his side to beat Chelsea
Arsenal lost 1-0 to Inter Milan after Hakan Calhanoglu converted his penalty in the first half and Mikel Arteta is not happy with the refereeing.
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- Arsenal lose 1-0 to Inter Milan
- Arteta fumes about penalty decisions
- Backs side to beat Chelsea on Sunday