The United States has welcomed the establishment of a ceasefire in Donbas, U.S. Department of State spokesperson John Kirby has said.

"The United States welcomes the commitment of Ukraine and Russia to truce to the Day of Knowledge witnessed by the OSCE," he said.

The document reads sustainable ceasefire, as well as providing the OSCE Monitoring Mission with full access to the territories is a "critical" condition to ensure compliance with Minsk agreements by the parties.