The meeting, which was summoned by Buhari last Friday, was adjourned to Tuesday
Those at the meeting are Vice President Yemi Osinbajo; Secretary to the Government of the Federation, Boss Mustapha and Chief of Staff to the President, Professor Ibrahim Gambari.
Others include Minister of Defence, Major-General Bashir Magashi (Rtd) and the National Security Adviser, Major General Babagana Monguno (Rtd.)
The Chief of Defence Staff, General Lucky Irabor, Chief of Army Staff; Lieutenant-General Ibrahim Attahiru, Chief of Naval Staff; Vice Admiral Awwal Zubairu, and Chief of Air Staff, Air Marshal Isiaka Amoo are also attending the crucial meeting.
The acting Inspector General of Police, IGP, Usman Baba is also in attendance.