With the war in Ukraine now well into its fourth year, Russian President Vladimir Putin has

intensified attacks across the country. But even amid the barrage, Ukraine says it's adapting,

pushing back along parts of the front and carrying out increasingly sophisticated drone strikes

deep inside Russia. Special correspondent Simon Ostrovsky sat down with Ukraine's foreign

minister to discuss the state of the war and the battlefield lessons Ukraine says are reshaping

modern combat.

As Russia falters on the Ukrainian battlefield, Moscow has attempted to rattle nerves in Ukraine

with threats to renew attacks against the battlefield, Moscow has attempted to rattle nerves in Ukraine with threats to renew attacks against the Capitol,

including a warning to Washington to evacuate its diplomats from Kiev.

Meanwhile, Ukraine has continued its campaign of long-distance strikes on Russian energy facilities,

describing them as long-range sanctions

designed to cripple Moscow's main source of revenue.

In an exclusive interview with NewsHour, Ukraine's foreign minister Andri Sibija had a warning

for Russians, saying they were no longer safe anywhere in their vast country because of Ukraine's improved drone range and capabilities.

We proved how effective we could be in Russia.

There are no safe place.

We could attack them as a distance up to 2,000 kilometers.

Even to conduct this so-called parade,

Putin had to approach us to a lot to conduct this parade on the 9th of May.

And Donald Trump put pressure, I think, on your country

not to attack Moscow during the parade.

We are not talking about any kind of pressure.

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