German CDU Politician Urges NATO Article 4 Consultations; Russia Threatens Hard Response

German CDU politician Roderich Kiesewetter deems current measures against Russia insufficient and calls for NATO Article 4 consultations, escalating intra-alliance pressure. Moscow has announced a 'hard response' to German measures, signaling potential diplomatic or military escalation. The situation is developing, with Rome checking information on a suspect, suggesting a broader European security dimension.