CNN Amanpour December 3, 2015 07:19:00
>> cnn's paul vercammen, following the developments in san bernadino. we have a clear picture of exactly what happened. they tried to clear the building of explosive devices. where does that stand at this hour? >> we can tell you what we have heard. federal agents with atf, say they fear there might be explosive devices inside the center, too. what we heard were three very muffled blasts. not the blast that's accompanied by fire. nothing that ripped apart a wall. we think they were able to get into the building and somehow detonate in a hurt locker, if you will. one of the metal boxes, safely ...
Source: archive.org