The president said that while the United States was still gathering information about the Russian dissident’s demise, he would hold President Vladimir V. Putin responsible; but he has limited options.
The reported death of Aleksei A. Navalny ushers in a new turning point for President Vladimir V. Putin’s Russia, underscoring both the Kremlin’s power and the potential for instability that continues to threaten it.
The Ukrainian leader is expected to sign security agreements and seek to push the European leaders to help bolster aid as concerns over U.S. funding grows.