President Muhammadu Buhari will on Tuesday meet again with all the security heads.
The President alongside Vice President, Yemi Osinbanjo had met with the service chiefs last Friday.
A presidency source privy to the meeting said the meeting has not been concluded and they will reconvene back on Tuesday.
Those expected at the meeting were Secretary to the Government of the Federation, SGF, Boss Mustapha; Chief of Staff to the President, Professor Ibrahim Gambari, Minister of Defence, Major-General Bashir Magashi (retd); and National Security Adviser, Major-General Babagana Monguno (retd).
Others were 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 Ishiaka Oladayo Amoo.
The acting Inspector-General of Police, IGP, Usman Alkali is also in attendance.