Russia threatens massive strikes after Belgorod missile attack kills two

Russia vows 'massive strikes' in response to a Ukrainian missile attack on Belgorod that killed two, escalating the conflict. The Kremlin frames this as an 'appropriate response' to Ukraine's 'path of escalation', signaling a potential intensification of cross-border attacks. The threat raises the risk of broader escalation, though the scale and timing of any Russian retaliation remain uncertain.