Syrian authorities arrested suspects linked to Islamic State after deadly church attack in Damascus that killed 25 people and wounded 63, vowing to bring all perpetrators to justice.

A suicide bombing at a Greek Orthodox church in Damascus killed at least 22 people and injured 63 others on Sunday, according to Syrian authorities, which attributed the attack to the Islamic State

As people were praying during the service, the suspected ISIS attacker entered the church, wearing a mask to cover his face, and opened fire on the Christians.