Hungary's strongman leader Viktor Orbán calls Trump's announcement of a meeting with Putin in his country great news for "peace-loving people."

Trump" rail tunnel under the Bering Strait to link their countries, unlock joint exploration of natural resources and "symbolise unity", a Kremlin envoy has suggested.

Kremlin envoy Kirill Dmitriev floated the tunnel idea late on Thursday after Putin spoke to Trump by phone and agreed to meet in Budapest.

President Donald Trump said "tremendous bad blood" between Zelenskyy and Putin is delaying a peace deal from happening with the war in Ukraine.

Hungary will ensure that Russian President Vladimir Putin can enter the country for a summit with U.S. President Donald Trump planned in Budapest and return home afterwards, Hungary's Foreign Minister Peter Szijjarto said on Friday.

When Putin travelled to Alaska for his Anchorage summit in August, the US granted special permission for the presidential plane - a modified Ilyushin Il-96 airliner dubbed the "Flying Kremlin" that has four engines and is bristling with defence systems.

French police have detained four people suspected of plotting an attack on exiled Russian rights activist Vladimir Osechkin.

US President Donald Trump vowed to keep Volodymyr Zelensky in the loop regarding his upcoming talks on ending the Ukraine war with Russia's Vladimir Putin, but he hinted that the Ukrainian president was unlikely to get the long-range missiles he wanted.