President-elect Donald Trump told Russian President Vladimir Putin not to escalate the war in Ukraine during a phone call on Thursday, The Washington Post reported.Jim Watson/AFP via Getty Images; Contributor via Getty ImagesPresident-elect Donald Trump took a phone call with Vladimir Putin on Thursday.Trump also had a call with Ukrainian President Volodymyr Zelenskyy.In July 2023, Trump said he could stop the Ukraine war within 24 hours.President-elect Donald Trump told Russian President Vladimir Putin not to escalate the war in Ukraine during a phone call last week, The Washington Post reported on Sunday.The phone call on Thursday marks the first time the pair are known to have spoken since Trump won the election.Trump and Putin talked about resolving the war in Ukraine and achieving peace in Europe during their call, The Post reported, citing several people familiar with the matter.Trump also expressed interest in follow-up conversations to discuss "the resolution of Ukraine's war soon," per The Post.When approached for comment, a spokesperson for the Trump campaign told Reuters that they "do not comment on private calls between President Trump and other world leaders."Representatives for Trump and the Russian foreign ministry did not respond to a request for comment from Business Insider.Trump's call with Putin took place a day after he spoke to Ukrainian President Volodymyr Zelenskyy.