You have probably gotten to known of the news already if have not then i don't know where you are for the past few hours shocking images and videos were all over Twitter,Facebook,Youtube,TV I first got hold of the news on a cab back from ITshow and have been following it ever since.
Here a list of websites you can watch the live streams:
Google person finder
As telecommunication is being cut ,Google chip in their help by allowing users to track a database where they can input information about anyone or themselves and allow their love ones to search.
Meanwhile Speedknight.com would like to sent out the deepest sympathy and condolences to the victims and their families.