Syria's interim President Ahmed Sharaa said mass killings of members of ousted President Bashar al-Assad's minority sect were a threat to his mission to unite the country, and promised to punish those responsible,

Once empowered by the regime, many Alawites now face reprisals from rebel factions and displaced Sunni populations who suffered under Assad's rule.

Syria has suffered its worst bloodshed since Bashar al-Assad was toppled from power, with more than 1,000 people reported killed in violence that has swept the coastal region since Thursday.