AMMAN, JORDAN- FEBRUARY 06: Thousands of Jordanians participate in a mass demonstration after Friday prayers near Al Hussein Mosque to express their solidarity with the pilot murdered by the Islamic State (IS) group earlier this week, on February 6, 2015 in Amman, Jordan. Muath al-Kasaesbeh was captured by the terror group after crashing his plane near Raqqa in northern Syria, during a mission against IS in December. (Photo by Jordan Pix/ Getty Images)
