Borno, Yobe, Kogi, and northern Adamawa states have a flat “do not travel” warning because of terrorism and kidnapping; Bauchi, Gombe, Kaduna, Kano, Katsina, Sokoto, and Zamfara states have a kidnapping-related “do not travel” warning.
Due to crime, abduction, and armed gangs, similar warnings were issued for the states of Abia, Anambra, Bayelsa, Delta, Enugu, Imo, and Rivers (except for Port Harcourt).