US Secretary of State Marco Rubio doubts whether it will be possible to negotiate peace in Ukraine, Radio Liberty reports with reference to its sources. According to European officials, he also expressed doubt that Russian President Vladimir Putin will attend the G20 summit in December in Miami. The public statements of the US Secretary of State were also restrained. When Rubio was asked on Svoboda Radio if he thought an agreement could be reached given Moscow's position unchanged, Rubio replied that Washington was trying to find out if an agreement could be reached. The next round of negotiations between Ukraine, the US and Russia is tentatively scheduled to take place around November 6-10 in Abu Dhabi, Ukrainian President Volodymyr Zelensky said.