Under a blazing sun, clad in black and clutching portraits of their slain leader Ali Khamenei, Iranian pilgrims streamed across the border into Iraq to observe the Arbaeen, the mos

Under a blazing sun, clad in black and clutching portraits of their slain leader Ali Khamenei, Iranian pilgrims streamed across the border into Iraq to observe the Arbaeen, the most revered event in Shia Islam.