The Day of Prayer is an initiative of Pope Francis and was first marked in Irish dioceses in 2017.

Blessed candles will be lit in parishes across the country as a reminder to the faithful of the need for atonement and to symbolise repentance; light in the darkness and hope. These ‘Candles of Atonement' will be lit in diocesan cathedrals and churches on the Day of Prayer and after that during the celebration of Mass and other liturgies.

The lighting of the ‘Candle of Atonement' and the following prayer are based on the very moving Penitential Rite composed and prayed by Pope Francis at the final Mass of the 9th World Meeting of Families on 26 August 2018 at Phoenix Park, Dublin, when the Holy Father implored the Lord's mercy for the crimes of abuse and asked for forgiveness.

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The mass was celebrated in Notre Dame Basilica on Nov. 1 by Nice Bishop André Marceau. He was joined by Archbishop Jean-Marc Aveline of Marseille and Archbishop Dominique-Marie David of Monaco.

The rite was necessary to purify the church from the stain of a "gravely injurious act."

The ritual was required before normal religious activities could resume, according to a statement on the website of the Diocese of Nice.

Amid high security, the bishops, joined by priests of the diocese, wore penitential purple for the evening event.

The rite began when the church, with its altar stripped and bare, was plunged into darkness.

The interior of the church was then blessed with holy water before the lights were turned on again. The bishops had changed their vestments to white to signify the Resurrection.

Bishop Marceau condemned the violence that had desecrated the basilica.

"The stones cannot cry out their horror," he said. "The abomination of the terrorist act marred the destination and vocation of this place.

Photographs of the three victims were displayed in the church. The faithful were encouraged to light candles for them.

Vincent Loquès, 55, the sacristan, died inside the church along with Nadine Devillers, 60.

Brazilian-born Simone Barreto Silva, 44, died in a nearby cafe after fleeing with stab wounds. Her last words were reported to be, "Tell my children I love them."

The alleged offender, Brahim Aoussaoui, 21, had entered France after arriving on a migrant boat to Italy in September. He was arrested at the scene and is in a critical condition in hospital from multiple gunshot wounds.

Five others, ages 25-63, have since been arrested in Nice and nearby Grasse in connection with the killings.

They are suspected of assisting Aoussaoui after he was dispatched to France to carry out the attack, according to the Journal du Dimanche newspaper.

The is the second significant Nice terror attack. In 2016 a truck was driven through a crowd celebrating Bastille Day. The attack resulted in the deaths of 86 people and injury to 458 others.

In another attack at a French church on Oct. 31, a Greek Orthodox priest was shot and badly injured in the French city of Lyon. No motive for the shooting has been discovered.

Sources

The Tablet

France24