U.S. Patriot missile defense systems will guarantee a 100 percent interception and play their part in fighting the Russian invasion, Ukrainian President Volodymyr Zelenskysaid in a traditional evening address.

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"When the Patriot systems in the hands of Ukrainians guarantee 100 percent interception of any Russian missile, terror will be defeated," Zelensky said.

"With military successes and with our Patriot systems, we will continue to fight Russia with all its evil manifestations."

Ukraine: Russia launches new massive air strike on Kiev

Zelensky made the announcement after night and day attacks by Russia with missiles and drones on Kiev and other targets.

Russian invasion of Ukraine

Volodymyr Zelensky