Buhari appoints 18 out of 25 Northerners as Advisers, Head of Ministry's, will this result to conflict?

President Muhammadu Buhari has approved the following appointments:

Babachir David Lawal – Secretary to the Government of the Federation

Abba Kyari – Chief of Staff to the President

Col. Hameed Ibrahim Ali (rtd.) – Comptroller-General, Nigerian Customs Service

Kure Martin Abeshi – Comptroller-General, Nigerian Immigration Service

Senator Ita S.J. Enang – SSA to the President on National Assembly Matters (Senate)

Hon. Suleiman A. Kawu – SSA to the President on National Assembly Matters (House of Representatives)

The appointments are took effect yesterday, August 27, 2015.