Militants declaring loyalty to Islamic State in Libya single out Rome as a targetIslamist militants claiming loyalty to ISIS have released a video appearing to show the beheading of 21 Coptic Christians who were taken hostage in Libya several weeks ago. The video shows men apparently being beheaded after being forced to kneel next to the Mediterranean Sea. A militant says they are sending a message “from the south of Rome”. At the end of the footage the same English-speaking fighter raises his knife to the water and says ISIS would “conquer Rome”. This morning Egypt and the Libyan government...