Kyiv has stepped up its attacks on Russia's oil and gas facilities, arguing the energy sector is fuelling Moscow's invasion.

The plea to Donald Trump from Volodymyr Zelensky comes as he seeks to boost Ukraine's protection from Russian ballistic missiles

Drone command centers, units, and operators are highly valuable targets, so Ukraine keeps them mobile and underground.

Ukraine’s early embrace of drones, and the mass-industrialization of their accuracy and power, has begun to exact a defining toll on Russia.

CBS's Margaret Brennan interviewed Ukrainian President Volodymyr Zelenskyy, a portion of which aired on "Face the Nation," where he asked the U.S. for more support with anti-ballistic missiles. MARGARET BRENNAN: Right.

"Russia attacked us by lots of ballistic missiles on our energy infrastructure, water supply, schools," he said.

After a series of gains last year, Russia’s advances along the over 600-mile front line have ground to a near halt recently, and Ukraine’s armed forces have launched successful counterstrikes and reclaimed some ground.

Ukrainian President Volodymyr Zelenskiy, in an interview ⁠broadcast ⁠on Sunday, said he wanted to ⁠press on with talks on securing peace with Russia before the onset ​of winter to take account of Kyiv's improved strategic position.

During an appearance on CBS News’ “Face the Nation” on Sunday, Connecticut Senator Chris Murphy stated that bipartisan efforts to support Ukraine are being stalled due to the influence of Donald Trump on Senate Republicans.