Militants kill at least 17 Niger Armed Forces troops in an ambush near the Malian border. Another 11 soldiers are missing; six others have been evacuated to a hospital. No group has claimed responsibility.
An overnight raid by suspected Boko Haram militants on Niger's southern border town of Abadam, kills two Nigerien Army soldiers and three civilians. And, separately, a suicide-bomb attack on Lake Chad killed three of the attackers but no one else. A military convoy was also ambushed by militants in northern Cameroon, although there were no reported deaths.
Niger's president Mahamadou Issoufou announces that an attempted coup, involving the use of aerial firepower to overthrow the government has been foiled and those behind it have been arrested. Among those taken into custody were the former military chief of staff, General Souleymane Salou, and Lt. Colonel Dan Haoua, head of the air force base in the capital Niamey.