The United Nations and Syria said Saturday that they had reached an agreement on what they called the “way forward” for verifying alleged use of chemical weapons in the war-torn country.

“The discussions were thorough and productive and led to an agreement on the way forward,” the UN said in a statement without elaborating.

Syria’s state-run news agency, SANA, said the statement had been jointly issued with the Foreign Ministry without giving details.

The accord followed talks in Damascus this week between two UN envoys and Syrian government officials.

Ake Sellstrom, the chief inspector for the UN investigative team, and Angela Kane, the UN high representative for disarmament, visited Syria Wednesday and Thursday to negotiate the terms of a possible investigation into the alleged use of chemical weapons in the country.

The UN has demanded open access to 13 locations in Syria where chemical weapons were purportedly used in the 28-month conflict.

The Syrian government has reportedly insisted the UN team only investigate its claim that opposition rebels used chemical weapons in March in the town of Khan al-Assal in the northern province of Aleppo.

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