Ukraine spy chief: Russia's Putin in poor health, Americans may be freed USA TODAYZelensky vows to fight for safe return of captured American 'heroes' New York Post Zelenskyy pledges to fight for return of Americans captured by Russia to their families NBC NewsZelensky says Ukraine doing everything it can to secure release of American soldiers detained by Russia: report The HillUS embassy pushing Kremlin to reveal location of veterans captured in Ukraine The Guardian US