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.

Christians in Syria are reeling after a suicide bombing struck a Greek Orthodox church in Damascus during a June 22 Divine Liturgy.

Syrian authorities on Monday announced arrests over a suicide blast targeting a church blamed on the Islamic State group, as President Ahmed al-Sharaa vowed those involved in the "heinous" attack would face justice.