As they gather in Saudi Arabia's holy city of Mecca for the annual hajj, some pilgrims have denounced atrocities by ISIS jihadists as "a virus" threatening the world. But many also expressed concerns about the US-led air war against them. "Islam is innocent from actions of the Islamic State (ISIS)," Kurdish Iraqi pilgrim Alan Abdullah told AFP, describing ISIS as "a virus threatening the whole world". ISIS has seized large parts of Iraq and Syria, declaring a Muslim "caliphate" and imposing its own harsh interpretation of Islamic law. The jihadists have executed captured Iraqi soldiers, crucified people, forced non-Muslims to...