Botswana president Mokgweetsi Masisi tells CNN's Zain Asher that the latest travel restrictions against African countries over the Omicron coronavirus variant are not an acceptable response and offers up what countries could have done instead.

The UN's World Food Programme and multiple media organizations have been warning that the African island nation of Madagascar is on the brink of the world's first climate-change-induced famine. But a new study says the human-made climate crisis has had little to do with the current food scarcity in the country.

Africa's most populous nation is on high alert as three people in the country have the newly identified coronavirus variant Omicron, a statement from The Nigeria Center for Disease Control (NCDC) confirmed.