Ghana's National Security Minister Albert Kan-Dapaah said collaboration was needed because what he described as "terrorist" activity was crossing borders.

The meeting comes as several countries have decided to pull out of an international peacekeeping mission in Mali where a jihadist insurgency began a decade ago.

Ghana, Togo, Benin, and Ivory Coast are increasingly at risk of being attacked by Islamist militants pushing southwards from Sahel countries.