PHOTOS: Worshippers Mark Laylat Al-Qadr at Imam Reza Shrine in Mashhad

Muslims held a vigil in the holy shrine of the eighth Shiite imam, Imam Reza (AS), in Mashhad, northeast of Iran, to mark Laylat al-Qadr, one of the most significant events in the holy month of Ramadan, also known as the Night of Destiny, Night of Measure or Night of Value.