The men may face a jail sentence or fines of up to $40,000 under the country's strict laws.
The ravenous pests have devoured crops and pasture threatening a food crisis in East Africa.
South Africa could host either the Champions League final or the Confederation Cup finals if they find a willing city.
Undercover filming showed the Ghanaian academics breaching university policies on sexual harassment.
Three Nigerian students hope their technology can stop thousands of deaths from charcoal cooking.
A row over comments by South Africa's last white president, FW de Klerk, reopens old wounds.
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