US Secretary of State Marco Rubio stated that diplomatic efforts to end Russia’s war in Ukraine have failed to yield results, noting that negotiations have currently reached a “deadlock.”   Speaking to reporters on Friday, May 8, Rubio explained that while the US has attempted to facilitate a peace process, these efforts have not led to a “fruitful outcome for a variety of reasons.”  JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . “We remain prepared to play that