Tomahawks are powerful, long-range missiles that would give Ukraine a major boost in its ability to strike deep into Russia.

Rafael Grossi, Director General of the International Atomic Energy Agency, said the process had begun after consultation with authorities in Ukraine and Russia, who blame each other for the downing of the external lines.

A supply of U.S. Tomahawk cruise missiles to Ukraine would help "push Russia back," the foreign minister of NATO ally Estonia told ABC News.

Ukraine's Volodymyr Zelensky warned the UN last month that AI was contributing to "the most destructive arms race in human history". He called for global rules for the use of AI in weapons, and said the issue was "just as urgent as preventing the spread of nuclear weapons".

Twenty-three Ukrainian children and adolescents have been brought out of Russian-occupied areas of the country to territory under Kyiv's control, President Volodymyr Zelenskiy's chief of staff said on Thursday.

A visit to The New York Times’s Kyiv bureau stayed with an editor based in Manhattan. So too did the air alert app that is widely used to warn civilians of Russian military activity.

During a NATO summit in June, President Trump said Finland was the “king of icebreakers” and suggested the U.S. might be willing to buy as many as 15 of them.