Tunisia international Aymen Abdennour has signed a one-year contract extension with French side AS Monaco.
Fifa president Sepp Blatter says he is concerned by the findings of a study.
Former international midfielder Aliou Cisse has been appointed Senegal coach.
Ivory Coast goalkeeper Boubacar Barry has announced his international retirement.
Mali have been crowned the 2015 African Under 17 Champions after a 2:0 victory over South Africa in the final in Niamey on Sunday.
Argentine Hector Cuper is the new coach of Egypt.
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Ghanaian Kwesi Appiah suffered disappointment with Al Khartoum in the Confederation Cup.
DR Congo giants TP Mazembe have signed Roger Assale and Sylvain Gbohouo and Christian Kouame.
Portugal vs Ghana 3:2
FACTS
Goals Portugal
Cristiano Ronaldo (65'minutes pen), João Félix (78'minutes), Rafael Leão (80'minutes)
Assists
Bruno Fernandes (78'minutes, 80'minutes)
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Goals Ghana
A Ayew (73'minutes), Bukari (89'minutes)
Ghana
Portugal