Ukraine's foreign ministry condemned "sham elections" being staged by Russia in occupied Ukrainian territories on Friday, saying they were "worthless" and would have no legal standing.
Russia is holding regional elections, including in four Ukrainian regions that it does not fully control - Donetsk, Luhansk, Zaporizhzhia and Kherson.
The ministry said in a statement that the elections taking place on Ukrainian territory "grossly violate the sovereignty and territorial integrity of Ukraine" as well as international law.
"Russia's sham elections in the temporarily occupied territories are null and void. They will not have any legal consequences and will not lead to a change in the status of the Ukrainian territories captured by the Russian army," it said.
Kyiv called on its international partners to denounce the votes and not to recognise the results.
US Secretary of State Antony Blinken on Thursday also described the voting in Russian-occupied areas of Ukraine as "sham elections" and said they were "illegitimate".
The Russian embassy in the US responded by saying on Friday that Washington was meddling in Russia's internal affairs.
Switzerland said US talks with Iranian negotiators on a pact to end the Middle East conflict would not take place on Friday, as Vice President JD Vance dropped plans to travel to Geneva, adding to uncertainty whether a lasting truce can be found.
British Prime Minister Keir Starmer said on Friday he would stand in any leadership contest, after potential rival Andy Burnham won a vote for a parliamentary seat to return to Westminster, paving the way for a challenge.
Telegram on Friday lost its bid to overturn an Indian government order temporarily banning the messaging app, with a New Delhi court ruling that the government's actions, aimed at preserving the integrity of a key med school exam, were legal and reasonable.
Israeli strikes on southern Lebanon killed at least 15 people on Friday, state news agency NNA said, while Israel said the attacks launched overnight were aimed at what it described as Hezbollah targets in several areas.