Ghana's President warns rampant Islamist insurgency in West Africa's Sahel is threatening to engulf entire region.

ACCRA, Nov 22 (Reuters) - Ghana's President Nana Akufo-Addo on Tuesday warned that a rampant Islamist insurgency in West Africa's Sahel is threatening to engulf the entire region.

West African leaders and European ministers are in Ghana's capital Accra to discuss regional solutions to the insurgency that is spreading as foreign troops pull out of Mali, w…