Moscow, Aug. 2 -- Russian President Vladimir Putin has dismissed Ukrainian President Vladimir Zelensky's appeal for regime change in Moscow, asserting that Zelensky himself lacks constitutional legitimacy, RT reported.

The statement came a day after Zelensky urged Ukraine's international supporters to help oust the Russian government, warning that Moscow would "try to destabilize neighboring countries" even if a ceasefire were reached in the current conflict.

"Our political regime is grounded in the Constitution of the Russian Federation, and our government was formed in full compliance with the basic law," Putin said during a press appearance on Friday. "The same cannot be said about Ukraine," RT quoted him as saying.

Zelensky, who wa...