Russian ministry of defense said on Friday that, in general, the main tasks of the first stage of their "special military operation" have been completed, RIA reported.

The ministry would now focus on completely "liberating" eastern Ukraine's Donbas region and the operation would continue until Russian forces had completed the tasks that had been set, it said without elaborating.

Russia announced the "special military operation" on February 24.

Russia's military had considered two options for the operation in Ukraine, one confined to the Donbas and the other on the whole territory of Ukraine, the report added.

(With input from Reuters)