Two months after a smiling Donald Trump and Vladimir Putin shook hands at a military base in Alaska in what looked like the start of a U.S.-Russia rapprochement, a top Russian diplomat has raised doubts that the "spirit of Alaska" is still alive.

The Russian president said he expects to make an announcement soon as Moscow actively works on its nuclear arsenal.

A Russian MiG-31 fighter jet crashed while attempting to land in the western Lipetsk region near the border with Ukraine, the Russian defence ministry said. The aircraft reportedly crashed in an uninhabited area in Lipetsk, which is about 300km (190 miles) from Ukraine's eastern border.

President Vladimir Putin said on Friday that Russia was developing new strategic weapons and it would not be critical for Moscow if the United States declined to extend the warhead limits set out in a nuclear arms treaty that expires next year.

Ukrainian President Volodymyr Zelensky said a child had died in Zaporizhzhia and more than 20 people were injured across Ukraine after Russia launched a large-scale attack overnight into Friday.

A fresh drone and missile barrage on energy facilities in the early hours of Friday triggered power cuts across nine Ukrainian regions, after Russian strikes already crippled almost 60 per cent of the country’s gas production.

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.

A top Russian Foreign Ministry official cautioned President Trump’s administration against giving Ukraine access to long-range Tomahawk missiles that could hit targets deep within Russia.

US President Donald Trump finalised a deal with Finland to buy 11 new icebreakers. These next-gen boats are expected to arrive by 2028.

Two months after a smiling Donald Trump and Vladimir Putin shook hands at a military base in Alaska in what looked like the start of a U.S.-Russia rapprochement, a top Russian diplomat has raised doubts that the "spirit of Alaska" is still alive.

Poland's critical infrastructure has been subject to a growing number of cyberattacks by Russia, whose military intelligence, has trebled its resources for such action against Poland this year, the country's digital affairs minister told Reuters.