They began minutes after the game, when al-Masry fans invaded the pitch, hurling stones and fireworks at visiting supporters from Cairo club al-Ahly.

BBC: Middle East

Hadayet's wife and sister, who are visiting their family in Cairo, have been questioned by police there.

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Spectators said that Al Masry fans beat visiting spectators from the opposing Cairo-based Al Ahly club.

WSJ: Egypt Soccer Riot Stokes Anger at Police

The Fifa inspection committee will not only be visiting the host cities of Cairo, Giza, Alexandria, Ismailia, Port Said, Suez and Hurghada, they will also see historical and tourist sites such as Luxor and Sharm El- Sheikh.

BBC: SPORT | Football | African Cup of Nations | Fifa visit Egypt

Mr Mitchell is visiting in the wake of US President Barack Obama's keynote speech in Cairo last week.

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