President Muhammadu Buhari and Vice-president Yemi Osinbajo on Monday met with service chiefs to review the national security. Present at the meeting were the Permanent Secretary Alhaji Ismaila Aliyu, Chief of Defence Staff, General Abayomi Gabriel Olonisakin, Chief of Army Staff, Lt General T.Y. Buratai, Chief of Naval Staff, Vice Admiral Ibok-Ete Ekwe Ibas and Chief of Air Staff, Air Marshal Sadique Abubakar.Others are Chief of Staff, Mr Abba Kyari, NSA Major General Babagana Monguno, and Chief of Defence Intelligence, Air Vice Marshal Morgan Monday Riku