The icebreakers Kapitan Chechkin and Kapitan Bukayev are escorting a convoy of six ships and are now at the 149th km of Volga-Caspian Sea Canal (VCSC), the Astrakhan Port Authority said.
The icebreakers will escort the convoy to open water at the Astrakhan anchorage.
Another icebreaker the Kapitan Metsayk has set sail from the port of Olya to the 110th km of VCSC to escort ship convoys through the canal.