A civil defense member inspects the damage after a blast rocked the Mar Elias Church, according to witnesses, in the Dweila neighborhood of Damascus, Syria, June 22, 2025. Firas Makdesi / REUTERS

A suicide bomber in Syria opened fire then detonated an explosive vest inside a Greek Orthodox church filled with people praying on Sunday, killing at least 20 and wounding 52 others, state media reported.

The attack took place in Dweil'a on the outskirts of Damascus inside the Mar Elias Church, according to state media SANA, citing the Health Ministry for the toll of dead and wounded. Britain-based war monitor the Syrian Observatory for Human Rights said there were at least 19 peopled killed and dozens of others wounded, but did not give exact numbers. Some local media reported that children were among the casualties.

The attack on the church was the first of its kind in Syria in years, and comes as Damascus under its de facto Islamist rule is trying to win the support of minorities. As President Ahmad al-Sharaa struggles to exert authority across the country, there have been concerns about the presence of sleeper cells of extremist groups in the war-torn country.

No group immediately claimed responsibility Sunday, but the Syrian Interior Ministry said an extremist from the Islamic State group entered the church, fired at the people there before detonating himself with an explosives vest, echoing some witness testimonies.

Syrian Information Minister Hamza Mostafa condemned the attack, calling it a terrorist attack.

"This cowardly act goes against the civic values that brings us together," he said on X. "We will not back down from our commitment to equal citizenship … and we also affirm the state's pledge to exert all its efforts to combat criminal organizations and to protect society from all attacks threatening its safety."

Witnesses said the gunman with his face covered entered and fired at the people. When a crowd charged at him to remove him from the church, he detonated his explosives at the entrance.

"People were praying safely under the eyes of God," said Father Fadi Ghattas, who said he saw at least 20 people killed with his own eyes. "There were 350 people praying at the church."

However, Meletius Shahati, a church priest, said there was a second gunman who shot at the church door before the other person detonated himself.

Issam Nasr who was praying at the church said he saw people "blown to bits."

"We have never held a knife in our lives. All we ever carried were our prayers," he said.

Security forces and first-responders rushed to the church. Panicked survivors wailed, as one lady fell to her knees and burst into tears. A photo circulated by Syrian state media SANA showed the church's pews covered in debris and blood.


A member of the Syrian security force inspects the damage after a blast at the Mar Elias Church in the Dweila neighbourhood of Damascus, Syria, June 22, 2025. Firas Makdesi / REUTERS


People inspect the damage after a blast at the Mar Elias Church in the Dweila neighborhood of Damascus, Syria, June 22, 2025. Firas Makdesi / REUTERS

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