The prayer ceremony was the largest in Iran where worshippers held vigil and recited prayers until dawn, when they eat Suhur, the morning meal, to get ready for a fasting day in Ramadan.
The Holy Qur’an was revealed to the Prophet Muhammad over 14 centuries ago at Laylat al-Qadr, or the Night of Destiny.
Muslims pray to God and ask for forgiveness during the night when their prayers will be awarded manifold.
The nights also have a special status for Shia Muslims when Imam Ali was martyred in 661 AD.
Watch the pictures of the event in Imam Reza’s shrine.