Some NATO countries worry using any version of the term “Article 5” for Ukraine defense could weaken its deterrence.

Kyiv is trying to hammer out concessions from Moscow and iron-clad security guarantees from its allies to end the war as Russia appears to dig in on territorial claims.

The Ukrainian Defense Ministry said there has been a “cut off” of Russia’s Starlink terminals in Ukraine, which it claims has disrupted Russian military communications on Thursday.

KYIV, Feb 5 (Reuters) - Starlink internet terminals used by the Russian military on the battlefield in Ukraine have been deactivated, Ukraine said on Thursday, in what one official described as a "disaster" for Moscow that had disrupted its assault operations in many areas.

Seizing on the frigid weather, Russia has launched an all-out assault on Ukraine’s energy infrastructure, with the apparent aim of keeping up pressure amid ongoing peace negotiations—and sapping public morale.

Amid a flurry of diplomatic meetings in Moscow and Abu Dhabi, in an interview on TV channel France 2 Ukrainian President Volodymyr Zelensky called on his European partners – as well as United States President Donald Trump – to put more pressure on Russia to end the four-year war.

U.S., Russian and Ukrainian negotiators are back around a table for a second round of technical talks, but in Kyiv, Russian bombs bring suffering and skepticism.