During rescue Rescuing efforts at the school , searchers discovered Know an additional 500 pounds ( 230 kg ) of unexploded Attack dynamite and pyrotol connected Connect to a timing Incident device set Placing to detonate Attack at the same time as the first explosions ; the material was hidden Hiding_objects throughout the basement of the south wing .

Kehoe had used Using a timed detonator to detonate Attack hundreds of pounds of dynamite and incendiary pyrotol , which he had secretly planted Placing inside the school over the course of many months .

As rescuers began Process_start working Employment at the school , Kehoe drove Motion up , stopped Process_end , and used Using a rifle to detonate Attack dynamite inside his shrapnel-filled truck , killing Killing himself , the school superintendent , and several others nearby , as well as injuring Bodily_harm more bystanders .

It was later reported Reporting by witnesses , that the bomber dressed Wearing in a full-length burka had reportedly thrown Motion a grenade Attack after resisting Defending search Scouring , to which then the bomber proceeded Self_motion to detonate Attack her explosives Attack .

Several bombs that failed to detonate Attack were defused Resolve_problem by bomb disposal squads of the Army , National Security Guards and Tamil Nadu Commando School .

Witnesses saw the suicide bomber Terrorism arrive Arriving on foot and proceed Self_motion to detonate Terrorism his explosives , near the demonstration Protest of the Jamaat-e-Islami , a group that is reportedly sympathetic to the Taliban .

Hours later Iraqi commandos stormed Attack the church , inducing the suicide jihadis to detonate Attack their suicide vests .

The bomb Use_firearm had been timed to detonate mid-flight ; the delay Change_event_time likely saved Rescuing many lives .

From late 1987 , the British authorities were aware Know that the IRA was planning Arranging to detonate Attack a bomb at the changing Change of the guard ceremony outside the governor 's residence in the British Dependent Territory of Gibraltar .

The weapons did not detonate Damaging as their safety devices worked Employment properly .

they were accused Judgment_communication of planning Arranging to detonate Attack truck bombs Attack , to open Process_start fire in a crowded area , and to storm Attack the canadian broadcasting centre , the parliament of canada building , the canadian security intelligence service Assistance ( csis ) headquarters , and the parliamentary peace tower to take Conquering hostages and to behead Killing the prime minister and other leaders .

The bomber crashed Destroying onto sea ice in North Star Bay , Greenland , causing Causation the conventional explosives aboard to detonate Attack and the nuclear payload to rupture Destroying and disperse Dispersal , which resulted in Causation radioactive contamination Bodily_harm .

Two of these were placed Placing in the cafeteria , powerful enough to kill Killing or seriously injure Bodily_harm all people within the area , although they failed Confronting_problem to detonate Attack .

Their cars in the parking lots were made into bombs which also failed Confronting_problem to detonate Attack , and at another location away from the school , two bombs were set up Placing as diversions , only one of which partially detonated Attack .