I hope it's an accident and not terrorists.
Terror threat to 'crowded areas' (Nationwide Warning in UK)
http://www.freerepublic.com/focus/f-news/1538138/posts
SCOTLAND YARD has issued a nationwide alert that Islamist terrorist cells may be plotting a Christmas bombing campaign. The warning was distributed to police chiefs nine days ago by the Yards anti-terrorist branch. It follows a series of operations by police and MI5 aimed at disrupting possible attacks by terrorists linked to Al-Qaeda.
Why?
I was just going to go look for that thread. Thanks for posting it!