Syria's Interior Ministry says the sleeper cell behind a deadly church explosion near Damascus belonged to the Islamic State group.

As Syrian community here, we have to share with our Christians in Syria, their pain and their suffering also,” said Khalil Mamari, vice president of the Immaculate Conception Church

Syrian Christians were struggling on Monday to understand why their community was targeted in a suicide attack and whether they can rely on the Islamist-led government's assurances of protection.Syria's health ministry said the toll from Sunday's attack on the Mar Elias Church in the Dweila neighborhood had risen to 25 dead and more than 60 wounded.