by Juliette MICHEL Tangi QUEMENER PARIS , France (AFP) — Several scenarios could explain the mysterious disappearance of the Egyptair flight between Paris to Cairo early Thursday, but experts say a terrorist attack is the most likely. Both France and Egypt have been leading targets for Islamist extremists in recent months. In October, the Islamic State group claimed responsibility for bombing an A321 plane belonging to Russian charter company Metrojet that crashed into the Sinai […]