David Luiz reportedly left Arsenal team-mate Dani Ceballos with a bloodied nose after a training ground bust-up that saw the pair sent home by manager Mikel Arteta.
While the majority of the Gunners' first-team represented their nations during the recent international break, Luiz and Ceballos were not part of the Brazil and Spain squads.
Instead, the pair remained in north London where they have continued to train in preparation for this weekend's Premier League clash with Leeds.
But, according to The Athletic, things got a little bit heated between the pair during training last Friday. It is claimed that after Arteta brought a halt to the session, Luiz confronted his team-mate after taking exception to a challenge.
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