The session is to be chaired by President Bola Tinubu.
ECOWAS called for the arrest and persecution of the perpetrators of the incident.
The presidential runoff is between incumbent President George Weah of the ruling Coalition for Democratic Change and former Vice-President Joseph Boakai of the Unity Party.
The United States government has threatened to withdraw multimillion dollars in economic and security support given to the Republic of Niger.
“We once again reiterate to ECOWAS or any other adventurer our firm determination to defend our fatherland.”
Challenges of delay in the arrival of electoral materials, voter suppression, ballot box vandalisation and incidents of violence in some states, created anxiety among citizens.
The Nigeria Customs Service, Ogun 1 Area Command, says it seized goods worth N4.88 billion between February and December 6.
The president said Nigeria was committed to restoring democratic rule to Mali, Guinea and Burkina-Faso.
The programme provides food assistance to 840 food-insecure households (some 4,196 persons) in Zamfara, Katsina and Borno.
The coup in Burkina Faso is West Africa’s third in nine months, following military takeovers in Mali and Guinea.
