Millions of Shiite Muslims have converged on the Iraqi city of Karbala for the Shiite pilgrimage of Arbaeen, regarded as the largest annual public gathering in the world.(Sep. 5) (AP video shot by Salman Ameen Hussan)

Shiite Muslims commemorate Arbaeen in Karbala

Millions of Shiite Muslims have converged on the Iraqi city of Karbala for the Shiite pilgrimage of Arbaeen, regarded as the largest annual public gathering in the world.(Sep. 5) (AP video shot by Salman Ameen Hussan)