injured, and counting. the difficulty working aboard a moving train, the cell phone signal is not always great. they have starlink internet systems courtesy of elon musk, but they barely turn them on, because they say it makes it easier for the russians to target them. the russians have taken control in rail links in certain cities. but for now, all of the major hubs are still connected by ukrainian rail. how bad would it be if the russians took these major stations? >> really bad. don't ask me how bad. but really bad. >> reporter: when the train reaches lviv, he makes a quick visit to the main station. and more calls and meetings, and a message for the rest of the world. >> what we can do, we're already doing. what the west can do, close the sky, and all the rest, we'll do