Russian President Vladimir Putin's special envoy for investment and economic cooperation, Kirill Dmitriev, said on Sunday that he had continued talks with representatives of President Donald Trump's administration in the United States.

Russia’s top economic envoy has arrived in the United States for “official” talks just days after President Donald Trump announced tough new sanctions on Russia, sources with knowledge of the visit exclusively told CNN on Friday.

The US has hit Lukoil, Russia’s second-biggest oil firm, with sanctions as part of its effort to bring Vladimir Putin to the table for peace talks over Ukraine. Washington has already blocked Lukoil's attempt to sell foreign assets to trader Gunvor ahead of the 21 November sanctions deadline.

Russia is ready to resume peace negotiations with Ukraine in Istanbul, Russian state news agency TASS cited a foreign ministry official as saying on Wednesday.

Ukraine's strikes come a day after a massive Russian attack led to blackouts in several Ukrainian regions. Meanwhile, Russian FM Lavrov says he's ready to hold talks with his US counterpart. DW has more.

Hungary has maintained its reliance on Russian energy since the start of the 2022 conflict in Ukraine, prompting criticism from several European Union and NATO allies. Hungarian officials said in the run-up to the meeting that Orban aims to discuss a path to a U.S.-Russia meeting and seek exemptions from U.S. energy sanctions.