EXPLAINER: The potential risks of political crisis in Chad

The killing of President Idriss Deby Itno has left his son in charge of the central African nation of Chad

DAKAR, Senegal -- The killing of President Idriss Deby Itno has left his son in charge of Chad, the first change of power in more than three decades for the central African nation that borders some of the world's most volatile countries. The military's decision to make Mahamat Idriss Deby the interim leader provoked an immediate outcry from both the Chadian political opposition and the rebel forces blamed for his father's assassination. Here is a look at the uncertainty in Chad and the potential threats for the region in the weeks to come: WHAT EXACTLY HAPPENED TO CHAD'S LONGTIME PRESIDENT?