Negotiations between U.S. and Russian officials will be crucial for restoration of a ceasefire regime in Syria, United Nations Special Envoy Staffan de Mistura stated.

“Discussions between the Russian Federation and United States this week are crucial to efforts to restore the cessation of hostilities,” he said.

He greatly regretted intensified fighting and the grave humanitarian situation. A political process and political solution is the only way out of the crisis, Reuters reported.