Flickr Photo Pool: The 7/7 Community. Firsthand photos submitted to Flickr.
Wikipedia Entry: 7 July 2005 London Bombings. Being updated almost by the minute with details, links, images, and info.
New: Missing Persons Flickr Group. Photos of missing persons from the London bombings.
Condolences to those who are affected by this attack…
EDIT: Posted this yesterday, but it didn’t show up, for some reason. These are some great examples of “citizen media”. The world is a different place than it was 6 months ago, or 5 years ago, in many ways.