Unofficial Islamic State sources published a video of four hostages, kidnapped in attacks in northeastern Nigeria. All of them at different times were captured by jihadists in the state of Borno. One hostage is known to be a federal road safety officer and the other is a freelance worker for UNICEF. It is not known what demands the militants have raised. It is noteworthy that a man working in an organization under the auspices of the UN has been taken hostage by the Islamic State.