earlier that a lot of russian military gear seems to be breaking down and in need of towing. what's going on? >> that's certainly something we saw around the front line today. we are at the front line in belgrade. that's very close to kharkiv. this is sort of the area from where the russian military supplies its forces in kharkiv and indeed moves additional forces into kharkiv. and one of the things we saw today as the russians earlier this morning said that they had breached the defenses of kharkiv and were moving their forces in, which, obviously, leads to some urban combat there. we did see a lot of military activity or on the russian part. a lot of rocket artillery fire going out from russian positions. also military hardware moving in. we did also see a couple of russian vehicles, quite a few actually, that seemed to be in need of towing that seemed to be broken down. now it's unclear whether or not that's sort of the kind of normal attrition that you have in an operation like this. obviously you have tracked vehicles going on asphalt roads