Niger governmental troops  have eliminated more than 280 Boko Haram militants in combat and in air strikes since an operation against the radical Islam group last week, the defence ministry said. Niger Army Kills 280 Boko Haram Militants – Defence Ministry. https://t.co/mmiCg7X6iH pic.twitter.com/YHXcMsGpi0 — Channels Television (@channelstv) January 3, 2019 Boko Haram has intruded Niger, Chad…