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A police helicopter flies over the statdium during an interruption of the 2015 African Cup of Nations semi-final football match between Equatorial Guinea and Ghana in Malabo, on February 5, 2015. Play was halted eight minutes from time in the Africa Cup of Nations semi-final between hosts Equatorial Guinea and Ghana when missiles were thrown on the pitch. AFP PHOTO / ISSOUF SANOGOISSOUF SANOGO/AFP/Getty Images
A police helicopter flies over the statdium during an interruption of the 2015 African Cup of Nations semi-final football match between Equatorial Guinea and Ghana in Malabo, on February 5, 2015. Play was halted eight minutes from time in the Africa Cup of Nations semi-final between hosts Equatorial Guinea and Ghana when missiles were thrown on the pitch. AFP PHOTO / ISSOUF SANOGOISSOUF SANOGO/AFP/Getty Images

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    Helicopter used to disperse violent football fans

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Helicopter used to disperse violent football fans

Violence erupted at a semi-final match of the Africa Cup of Nations and a helicopter was brought in to try to calm the chaos. CNN's Don Riddell has the details.

Helicopter used to disperse violent football fans

Violence erupted at a semi-final match of the Africa Cup of Nations and a helicopter was brought in to try to calm the chaos. CNN's Don Riddell has the details.