Tatp Combusting News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> looking at ccv, forensic work and speaking to witnesses. >> the bomb itself did not go off, which for law enforcement is a great thing because the bomb, in and of itself, it's.sort of the fingerprint of the individual who made it. >> a timer was found on the device, that it's clear that although this was a crude bomb, it was intended to cause much greater damage. >> we are only aware of one device. so we now have the remnants of that device. it's been examined by our experts. >> once source briefed on the investigation says an initial assessment of the bomb indicates it's highly likely to h...

Explosive that packs a nasty punch. this video shows tatp combusting. >> tatp is one of the most sensitive explosives known to the bomb tech community and it takes little initiation to set it off. >> reporter: tonight, the fact that a timer was used and the suspect is still at large has londoners bracing for the worst. >> the timer is what is freaking people out. did this individual place bombs in other locations? they're sweeping all the tube stations right now at this time. they're looking for other devices. >> reporter: this marks the fifth significant attack this year in britain, after the...