(Reuters) -Ukrainian President Volodymyr Zelenskiy said on Tuesday the situation at the Russian-occupied Zaporizhzhia nuclear power station had become critical, with Russian shelling preventing restoration of a power line needed to cool the reactors and prevent a meltdown.

She meets children displaced from their families and visited a memorial for young people killed during the war.

The White House is weighing Ukraine's request for long-range Tomahawk missiles to defend the country against Russian forces, Vice President JD Vance said Sunday.

Kramatorsk and Sloviansk, both cities of around 200,000 people before the war now barely half that size, lie on what some call the “fortress belt” and are among the only viable major settlements still standing in Putin’s way in Donetsk.

Ukraine's navy said the modified anti-ship weapon struck the Elektrodetal plant in Karachev at a range of 150 miles.

European leaders are gathering in Copenhagen for two summits focused on security, defense and the war in Ukraine.

The European Commission is rushing to allay concerns raised by France and other countries wary of approving the use of Russia’s frozen assets for a €140bn loan to Ukraine, for fear it will add to their national debt burden.

The footage indicates that Ukraine has been using a sea drone to act as a carrier for fiber-optic quadcopters for attacking naval or coastal targets.

Ukraine is sharing its expertise in drone defense with European countries. President Volodymyr Zelenskyy says Ukrainian military experts are in Denmark for joint exercises.

In his new clothes store in the heart of Ukraine's frontline city of Kramatorsk, Maksym Lysenko suddenly stops talking and listens. "There," he says, leaning towards the window looking onto the street.

Ukrainian officials say Cubans are being offered one-year contracts with the promise of a $2,000 monthly salary.