UN Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator, Stephen O'Brien on Thursday called for an "immediate, impartial and independent investigation" into the death of at least 30 civilians by airstrikes that hit two settlements where displaced people had sought sanctuary, in Idleb Governorate, northern Syria. The UN official said he was "horrified and sickened" by this attack.

"If this obscene attack is found to be a deliberate targeting of a civilian structure, it could amount to a war crime," O'Brien said in a press statement.

Source: Petra