- Putin critic and anti-war candidate submits 105,000 signatures for Russian presidential election bid CNN
- Boris Nadezhdin: Putin challenger submits bid to run for Russian president BBC.com
- Ukraine war live updates: Putin’s anti-war opponent takes step toward election; Russia says West could meddle in upcoming vote CNBC
- Ukraine war critic submits bid to challenge Putin for Russia’s presidency Al Jazeera English
- Russian Anti-War Candidacy Bid An Unexpected Obstacle In Kremlin’s Effort To Smoothly Reinstall Putin Radio Free Europe / Radio Liberty