He said the insurgency in the region was spreading wide and fast, urging the Defence Chiefs to leave no stone unturned to curb the menace. The Chiefs of Defence Staff in West Africa on Friday, called for the return of Mali, Niger and Burkina Faso to the Economic Community of West African States (ECOWAS).Nigeria’s Chief of Defence Staff, Gen. Christopher Musa, made the call when he led other ECOWAS defence chiefs on a visit to the National Counter-Terrorism Centre (NCTC), on Friday in Abuja. Musa, the Chairman of the ECOWAS Committee of Defence Chiefs, said that the return of the three countrie…