Difficult Operatio Operation News Today

>> we arent giving up. we are deeply sad. >> take a lie look now at the search and rescue operation on the top of what was that six story office building. you can see a handful of rescue workers up there, it had been a hive of activity earlier this morning, dozens of them on the rubble. the fact that theyve withdrawn all but if you would tend to indicate to us having watched this that they are unsure of the stability of that rubble. and its therefore moving very carefully. it is such a difficult...