In pics: Thousands light ‘holy fire’ candles in Jerusalem church where Jesus was crucified

During the annual ceremony, Eastern Orthodox clerics enter the Edicule, the small chamber marking the site of Jesus’ tomb. They then emerge to reveal candles said to be miraculously lit with “holy fire” as a message to the faithful from heaven.

Thousands of Christians are gathering in Jerusalem for an ancient fire ceremony that celebrates the resurrection of Jesus.

Worshippers hold candles as they take part in the Christian Orthodox Holy Fire ceremony at the Church of the Holy Sepulchre in Jerusalem's Old City. (Reuters Photo)

In a ritual dating back at least 1,200 years, they crowded Saturday into the Church of the Holy Sepulchre, where Christian tradition holds that Jesus was crucified, buried and resurrected.

During the annual ceremony, top Eastern Orthodox clerics enter the Edicule, the small chamber marking the site of Jesus’ tomb.

They then emerge to reveal candles said to be miraculously lit with “holy fire” as a message to the faithful from heaven. The details of the flame’s source are a closely guarded secret.

Orthodox Christians will celebrate Easter on Sunday.