In Nigeria, Army made a revelation that terror group Boko Haram has gone hi-tech in attacking military formations in the country's northeast region.<br />''<br />''<br />''In a statement reaching Xinhua in Abuja, army chief Tukur Buratai said the Boko Haram now uses drones and mercenaries during attacks, a trend which poses serious security threats to the country.<br />''<br />''<br />''He confirmed the Boko Haram terrorists had attacked at least five military locations between November 2 and November 18.<br />''<br />''<br />''<span style="color: #222222;">Boko Haram has been trying since 2009 to establish an Islamist state in northeastern Nigeria, in the process killing tens of thousands of people and displacing millions of others. </span><br />