"explosives set off" is a correct and usable phrase in written English.
It can be used as a verb phrase to describe explosions or detonations caused by explosives. Example: The bomb squad was called to defuse the explosives set off by irresponsible teenagers in the abandoned building.
His disappearance, and fears that he could be armed with more explosives, set off an intense manhunt.
The terrorists, according to the document, reportedly contemplated deploying suicide bombers or using explosives set off by remote control.
Half an hour later, the city plans a fireworks display: nearly a ton of explosives set off from seven points around the city.
He said he could not provide other details, but a military incident report given to soldiers in the area indicated that the attack involved two remote-controlled explosives set off at 7 30 a.m. about 200 yards from an American military forward observation base.
The initial eruption, which was reportedly sparked by "inflammables and explosives," set off more fires in the surrounding area.
In Ayers's hands, a career in terrorism becomes a harmless episode out of a John le Carré novel, in which our hero lives on the run, steals explosives, sets off explosions using "tradecraft," as the flap copy puts it -- as if the Weathermen were characters in "Smiley's People".
When retreating Germans were fired upon by French Resistance, they fired explosives, setting off an explosion that was heard throughout the city and leaving the glass-domed hall in flames.
Raw salsas are explosive, setting off fireworks of heat and acid in each bite.
Around dawn, a minivan packed with explosives was set off at a police post near Pul-e-Alam Pul-e-Alam Pul-e-Alam Province.
In addition to the bombings in the capital, explosives were set off north of Baghdad, near Mosul and in Tuz Khurmato.
Explosives were set off, mopeds set on fire, and a group of Genoa Ultras armed with batons rushed a police line while others threw bottles and rocks.
