EntityQ644474· pop 33· linked from 291 articlespipe bombSign in to saveimprovised explosive device (IED) that uses a tightly sealed section of pipe filled with an explosive materialConnectionshand grenadeEntitypipeEntityHaymarket affairEntityDenmarkConceptBarack ObamaPersonItalianEntityWorld War IIConceptCaliforniaEntityJoe BidenPersonStockholmEntityWorld War IConceptCopenhagenEntityDublinEntityGeorgiaEntityNorthern IrelandEntityAtlantaEntityHillary ClintonPersonterrorismEntityIrelandEntityInternational Standard Book NumberEntityCategoriesImprovised explosive devicesInsurgency weapons