US envoy Steve Witkoff is in Saint Petersburg, holding talks with Russian president Vladimir Putin. The face to face meeting comes after he met with Ukraine's president and other European leaders in Oslo. Witkoff is due to return to the Norwegian capital after his visit to Russia. Washington seeks to breathe new life into US-led efforts to end the war. Details and analysis by FRANCE 24 international affairs editor, Kethevane Gorjestani.