The Syrian regime has given up less than five per cent of its chemical weapons and is set to miss next week's deadline to send all toxic arms abroad for destruction, Reuters reports.
Only 4.1 per cent of the approximate 1,300 tonnes of chemical arms were reported by Damascus to the Organisation for the Prohibition of Chemical Weapons (OPCW), sources familiar with the matter told the news agency.
One source said: "It's not enough and there is no sign of more."
The internationally backed operation, which is overseen by a joint United Nations and OPCW mission, is now six to eight weeks behind schedule.
Damascus must show that it is still serious about giving up its stockpile of chemical weapons, the sources also told the news agency.
More top news
A toddler survived for days on his own after his mother collapsed and died as she fed his one-year-old brother - who also choked to death.
A police officer has won a legion of fans after a picture of him comforting a baby girl caught up in a horror car crash went viral.
A mother has claimed that she was left a spiteful note from fellow diners accusing her son of "ruining" their meal with his screaming.