Putin announces 95% modernization of Russia's nuclear forces and delivery of new supersonic bombers.

Calls intensify for the release of Navalny's body, accusing Russian authorities of coercion.

Biden imposes over 500 sanctions on Russia for Ukraine war and Navalny's death.

Ukraine reports increased Russian attacks in Marinka, facing challenges in military aid.

EU sanctions foreign companies for exporting goods to aid Russian war effort.

London plans to donate non-compliant vehicles to Ukraine for humanitarian aid.

Schumer visits Ukraine to reassure support amid stalled US aid approval.