10 Chadian soldiers and 28 Islamist insurgents are killed in heavy fighting in the Adrar des Ifoghas mountains of northern Mali.
A French presidency official and a senior Chadian official announce that Chad will reinforce their troops by 1,000 in order to fight jihadists in the border regions of Mali, Niger, and Burkina Faso. It will be formally announced in a summit on February 15–16.
2012 Northern Mali conflict: The United Nations Security Council unanimously passes a resolution approving an African-led force to assist the army of Mali in ousting Islamist militants who have seized the north of the country.
The President of Nigeria Goodluck Jonathan declares a state of emergency in the states of Borno, Yobe, Niger and Plateau due to violence by the Islamist sect Boko Haram. [http:--www.abc.net.au-news-2012-01-01-nigeria-declares-state-of-emergency-3753958 (AFP via ABC News Australia)]Clashes in Ebonyi State in eastern Nigeria kill at least fifty people. [http:--old.news.yahoo.com-s-nm-20111231-wl_nm-us_nigeria_clashes (Reuters via Yahoo! News)]date=August 2019 Nigeria shuts borders with the countries Cameroon, Chad, and Niger. [http:--www.thenationonlineng.net-2011-index.php-news-update-31740-jonathan-declares-state-of-emergency-in-borno-yobe-plateau-and-niger-states.html (The Nation)][https:--web.archive.org-web-20120107132718-http:--www.sunnewsonline.com-webpages-news-national-2012-jan-01-national-01-01-2012-001.html (The Sun)]Clashes in Ebonyi State in eastern Nigeria kill at least fifty people. [http:--old.news.yahoo.com-s-nm-20111231-wl_nm-us_nigeria_clashes (Reuters via Yahoo! News)]date=August 2019