Authorities close Warsaw Chopin Airport due to safety measures: Media sources report that Polish authorities have temporarily closed Warsaw Chopin Airport (IATA: WAW) and its airspace on September 10, due to potential airspace violations linked to unidentified aerial objects entering Poland’s airspace during a Russian attack on Ukraine. Operations at other airports, including Warsaw Modlin Airport, Lublin Airport, and Rzeszów-Jasionka Airport, have also been suspended. Logistics disruptions are likely.