Kevin Pietersen said in his apology, "I truly didn't mean to cause upset or tension particularly with important games at stake".
The England batsman was dropped for the final test against South Africa - which begins tomorrow - after it came to light that he had sent derogatory texts to the rival team.
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The prince laid a floral wreath at one of a group of metal crosses near Wellington Arch in central London.
The group, which also owns Premier Inn, said on Wednesday that it will pursue a ‘demerger of Costa’.
The showers will become more frequent as the day goes on, giving some heavy downpours in places during the afternoon.