Head of the State Border Guard Service Serhii Deineko announced this on Facebook, Ukrinform reports.
“Today, a border sign has been installed on Zmiinyi Island. Historical justice was restored by the service members of the State Border Guard Service with the full support of servicemen of the MoD Main Intelligence Directorate," he said.
Deineko added: "Together with Dmytro Usov and guys, we paid tribute to all those who liberated Zmiinyi and who are liberating every piece of our land."
As reported, the Ukrainian Defense Forces liberated Zmiinyi Island from the Russian invaders on June 30, 2022.