MALIAN and French forces killed around 100 jihadists and took another 20 captive in a joint operation this January in central Mali, the West African nation's army said in a statement. It said the campaign lasted from January 2 to January 20 and targeted areas bordering Burkina Faso, where militant groups with links to al Qaeda and Islamic State control large tracts of the remote desert and regularly carry out raids on the army and civilians. "The purpose of this operation was to force the enemy out of its areas of refuge," the army said. France has more than 5,100…