Most fireworks are launched from rows of steel tubes secured in troughs of sand. The tubes, or "mortars," are three times as long as the firework shells but have the same diameter. If a firework ...

which contained 118 mortar shells to be used to set off fireworks. Post Office officials notified police Sept. 7 that there was a partially torn box with black plastic tubes visible. The shipping ...

Southington man charged with making illegal fireworks was seriously injured by one of his own Another incident involved a 43-year-old who was lighting a mortar-style device when the tube tipped ...

Some rain is forecast this evening, but it won’t affect the hundreds of fireworks shells in mortar tubes waiting to be shot from a barge in the Delaware River. “We can fire in the rain.