Aid deliveries to millions of Syrian civilians were hanging in the balance on Thursday ahead of the expiration of a United Nations mandate authorizing cross-border humanitarian convoys from Jordan, Turkey and Iraq.

UN spokesman Stephane Dujarric urged the 15-member Security Council to break its deadlock and renew authorization of cross-border deliveries of supplies to some 4 million Syrians in areas beyond the control of Damascus.

“We very much hope that members of the Security Council will come together and agree on some type of resolution which will allow continued cross-border deliveries of humanitarian aid,” Dujarric told reporters on

Read more: Aid to 4m Syrians threatened by UN deadlock