Turkey's state-run news agency says Turkey and Russia have reached an agreement on a plan for a ceasefire comprising the whole of Syria, The Associated Press reports.

The Anadolu Agency, quoting unnamed sources on Wednesday, December 28, said the two countries were working to ensure that the cease-fire would come into effect after midnight.

It said however that terror organizations would be kept outside of the cease-fire agreement, without elaborating on which insurgent groups would be considered terror organizations. It said a peace process in Kazakhstan's capital of Astana would go ahead under Russia and Turkey's leadership if the cease-fire holds. Anadolu said the two countries would act as "guarantors" of the peace process.

There was no immediate confirmation from Turkey's Foreign Ministry.