Tonight's evening news in Chicago stated that the cause of the fire will fall into 1 of 3 categories.
Accident, intentional or unknown.
Report said after 14 hours of investigation today, they just don't know.
Plot to assassinate candidate confirmed
Doctors: Ukraine's Yushchenko victim of bio or chemical agent
http://www.wnd.com/news/article.asp?ARTICLE_ID=41816