Benoit Assou-Ekotto headbutts Benjamin Moukandjo during Cameroon's defeat by Croatia

Benoit Assou-Ekotto let his frustrations boil over as he headbutted his Cameroon team-mate Benjamin Moukandjo in the closing stages of their 4-0 defeat by Croatia.

Cameroon were trailing 4-0 in injury time when the Tottenham left back, on loan at QPR last season, lashed out at his team-mate.

Assou-Ekotto's anger continued after the final whistle in Manaus as Samuel Eto'o was forced to restrain him in the tunnel.

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Flashpoint: Benoit Assou-Ekotto clashed with Benjamin Moukandjo in Manaus

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Stand off: The Tottenham left back headbutted his Cameroon team-mate in injury time

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Anger: Frustrations boiled over as Cameroon were thrashed 4-0 by Croatia in Manaus

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Bemused: Moukandjo reacts after Assou-Ekotto's headbutt in the closing stages of their game against Croatia