Ukrainian President Volodymyr Zelensky said in February that Kyiv would create a new branch of Kyiv's military, known as the Unmanned Systems Forces, dedicated exclusively to drone warfare. "Drones, unmanned systems, have proven their effectiveness in battles on land, in the sky and at sea," the Ukrainian leader said.

Russia unleashed a new barrage of drones and missiles on Ukraine overnight, again targeting the energy sector and killing at least one civilian, Ukrainian officials said on Thursday. Ukraine's military said Russian forces had fired 78 attack drones and six missiles over various regions during the hours-long attack.

The last-minute meeting in New York comes amid Trump's increasing criticism of US funding for the war in Ukraine.

A day after meeting with President Joe Biden and Vice President Kamala Harris at the White House, Ukrainian President Volodymyr Zelensky met with former president Donald Trump in New York on Sept. 27.

The Kremlin says that changes in Russia’s nuclear doctrine are intended to discourage Ukraine’s Western allies from supporting attacks on Russia

The Kremlin said on Thursday that changes to Russia's nuclear weapons doctrine outlined by President Vladimir Putin should be considered a signal to Western countries that there will be consequences if they participate in attacks on Russia.