Regarding captives, Ukraine claims they've captured 200. Here's the full quote. Note that while it comes via the BBC, it's merely taken from an official Ukrainian facebook page [1]:

> The Ukrainian military has published what they claim is a breakout of Russia's losses. According to a post on its Facebook page, more than 3,500 Russian soldiers involved in the invasion have been killed and almost 200 taken prisoner.

[1] https://www.bbc.com/news/live/world-europe-60517447?pinned_p...