Arsenal and Atletico Madrid shared a tense 1-1 draw in a Champions League semi-final first leg dominated by penalty drama.
Viktor Gyokeres fired Arsenal ahead from the spot before Julian Alvarez equalised with a controversial handball penalty.
The biggest flashpoint came late on when Arsenal were awarded another penalty, only for VAR to overturn it after a long review.
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That decision left Mikel Arteta furious, with the tie finely poised heading into the second leg in London.
