NATO members are reinforcing their eastern flank in response to a significant Russian drone incursion into Polish airspace, which Poland described as unprecedented. Following the incident, Poland has requested a UN Security Council session. Various NATO countries, including the Netherlands and the Czech Republic, are sending military support to Poland. Polish Defence Minister Wladyslaw Kosiniak-Kamysz emphasized the importance of these concrete declarations of support. The situation has raised tensions, with experts divided on whether the drone incursions were intentional. Ukraine's President Zelensky has proposed a joint air defense system for Europe in response to Russian aggression. Poland has also closed its border with Belarus due to upcoming military exercises by Belarus and Russia. Teljes cikk (bbc.com europe)