At least seven Four explosions rocked London’s public transportation system during rush hour this morning in an apparent terrorist attack. Eyewitness accounts are horrifying and all too familiar. Visit Londonist for details and updates.
UPDATE: Flickr photos, Wikipedia coverage, Guardian news blog, Yahoo! News video, Yahoo! News slideshow, BBC Radio live broadcast (does not appear to be blocked right now)
UPDATE II: Associated Press reporting 40 dead, more than 300 injured