New development: the Ukrainian parliament, including the current ruling members, declared the elections as invalid. A majority of MPs also passed a vote of no-confidence in the country's Central Elections Commission.
These votes aren't legally binding, but it's a significant development nonetheless.
link: <a href="http://news.bbc.co.uk/2/hi/europe/4047421.stm">http://news.bbc.co.uk/2/hi/europe/4047421.stm</a>