A Polish general said early evidence points to the drone having a Chinese engine, and that it was likely "flying very low" to avoid radar.

WARSAW - Polish officials said on Wednesday they were not ruling out that an object that exploded overnight in a field in eastern Poland was a Russian or smuggling drone, or a case of sabotage, though they had not detected anything entering Polish airspace.

Poland's Minister of National Defense Wladyslaw Kosiniak-Kamysz voiced the three most probable hypotheses regarding the overnight explosion in a village in Lublin voivodeship. His words are quoted by RMF24.

The Netherlands will send two Patriot air defence systems and around 300 personnel to protect a hub for military aid to Ukraine in NATO ally Poland, the Polish defence minister said on Thursday.