At least 20 people have been killed and 52 more are injured in a “terrorist attack” on a church in the Syrian capital on Sunday, according to the country’s health ministry.

Suicide bomber from ISIS (Daesh) terrorist group opened fire inside Mar Elias Church in Dwel'a neighborhood before blowing himself up, says Syrian Interior Ministry - Anadolu Ajansı

The attack on a Greek Orthodox service made clear the challenges facing Syria’s new government in a country long pitted by sectarian divides.