Luis Suarez faces World Cup ban for supposed 'bite'
25 June 2014 Last updated at 16:58 BST
Uruguay's Luis Suarez appears to bite Italian defender Giorgio Chiellini, which would be the third time the Liverpool player has committed such an offence.
The incident happened during Uruguay's 1-0 victory over Italy, which sees Uruguay qualify for the last 16 and eliminates Italy for the tournament.
Martin reports on what is the latest in a long line of controversial incidents involving the striker.