Tensions between Russia and NATO have intensified significantly after NATO fighter jets intercepted and shot down a drone over Lithuanian airspace, alongside an incident where a Russian frigate issued missile warnings toward a Danish helicopter. Simultaneously, a US federal court has filed criminal charges against a Russian-linked cell plotting to assassinate a prominent Russian opposition figure and conduct terrorist operations across the United States and Europe. These concurrent security developments highlight the deteriorating geopolitical climate and heighten global anxieties regarding potential direct confrontations between major powers [Reuters](https://www.reuters.com)