Luis Suarez has apologised for biting Italian player Giorgio Chiellini during their World Cup match against Uruguay.
He added: "I vow to the public that there will never be another incident like this."
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"Big Sam" was spotted letting his hair down in the seaside resort weeks after securing Premier League survival for Sunderland.
Greater Manchester Police visited a property twice on Saturday - finding a body on the second occasion.
163,000 French and 143,000 German soldiers were killed in the 10-month battle in 1916.