| Three minutes later, a machine that detects trace explosives showed a positive reading for Semtex, a volatile plastic explosive. |
| Three minutes later, the screener noticed that the explosive trace detection machine indicated a positive alert for Semtex, a plastic explosive, from the laptop. |
| Imagine that a private company had developed an explosive ten times more powerful than Semtex. |
| The cache included a submachine gun, pistols, revolvers, and enough Semtex to make 180 bombs. |
| Semtex explosives supplied by Libya were one of the IRA's most lethal weapons in its decades-long terror campaign. |
| Ms Murphy is still haunted by the memory of how Hindawi tried to send her to her death by packing her hand luggage with Semtex plastic explosives. |
