A Ukrainian citizen allegedly working for Russian intelligence services as part of a sabotage campaign was detained in Poland, while two others were arrested in Romania, prosecutors said Tuesday. Prosecutors said the individuals acting on behalf of the Russian intelligence services were allegedly preparing acts of sabotage involving the sending of shipments containing explosives and incendiary materials to Ukraine,

As temperatures drop in Ukraine, Russia has stepped up drone attacks on power facilities supplying millions of homes across the country.

The White House has been reportedly left dismayed by Moscow’s refusal to budge on the Ukraine war, leading a preparatory meeting between US secretary of state Marco Rubio and Russian counterpart Sergei Lavrov expected in Budapest to also be postponed.

The Ukrainian city of Chernihiv is in total blackout following what the authorities describe as a "massive" assault by Russian missiles and drones, with hundreds of thousands of people affected.

Ukrainian President Volodymyr Zelensky is expected to push Trump for additional long-range weapons capable of striking targets inside Russian territory when he meets with Trump in Washington at the White House on Friday.

Ukrainian authorities say that Russian drone and missile strikes wounded at least 20 people in Kyiv and damaged residential buildings and caused blackouts across swathes of Ukraine.

Zelenskyy said Russia fired more than 300 drones and 37 missiles at Ukraine overnight. He accused Russia of using cluster munitions and conducting repeated strikes on the same target to hit emergency crews and engineers working to repair the grid.

Russian night-time missile strikes sparked fires and hurled debris across several districts in Ukraine's capital, igniting cars and shattering windows, Kyiv Mayor Vitali Klitschko said early on Wednesday.

Russian forces are still edging forward along several parts of the long front line in Ukraine – despite yet another call from US President Donald Trump for a combat freeze along existing lines.