Russian President Vladimir Putin on Thursday said that he had "serious questions" about Washington's plan for a 30-day ceasefire in Ukraine but Moscow was ready to discuss it with US President Donald Trump.
Kyiv on Saturday staged a major drone attack on the Russian city of Kazan, 1,000 kilometres (620 miles) from the frontier, the latest in a series of escalating aerial attacks in the nearly three-year conflict.
Ukraine's foreign minister called Russia's top diplomat Sergei Lavrov a "war criminal" Thursday as they both attended an international meeting in Malta, the latter's first visit to an EU country since the 2022 invasion.
Russia on Wednesday said that it would expel two journalists from Germany's ARD national network in a like for like move after a Russian state broadcaster reported that its journalists had been ordered to leave Berlin.