mark lowen is in poland, close to where that attack took place. there are some reports that the military base that was struck was one where some foreign soldiers were being trained or receiving equipment, foreigners who have come in to fight with ukraine and of course, president putin and the kremlin have warned that the military equipment coming from nato countries into ukraine will be seen as a legitimate target and so perhaps that was the motivation behind that strike. whatever the motivation, though, it has of course raised concerns, not only for ukrainians and particularly the west of the country who had hoped that the western part of ukraine was safer than what is happening elsewhere but also of course, for poland, for example, because if the fighting intensifies around western ukraine, that could spark a second wave of refugees to come across the board. this country, poland, has already welcomed over 1.7 million people across the borderfrom ukraine. there are growing concerns he