It was a rare meeting at the Vatican, Pope Francis convening with his Middle East envoys to discuss the plight of Christians threatened by Islamic State in Syria and Iraq.<br/> <br />Vatican ambassadors to both countries were in attendance, to express their concerns about the extremist group's fight to form a "caliphate" in the region..<br/> <br />Islamic State has killed a number of Christians and others who won't convert to Islam.<br/> <br />The pope's issued strong criticism of the militants in the past -- saying no group should use violence in the name of God.
