Video: 'T 780 NIghtline Bombing of TWA 840 TWA bombing April 2, 1986'

(Wednesday, April 2, 1986, 2:32 p.m. Eastern European Summer Time) — Four American passengers, including an 8-month-old girl, her mother and grandmother, were killed today when a terrorist bomb exploded aboard a TWA jetliner en route from Rome to Athens, Greece.

Video: 'TWA Flight 840 bombing in Greece - Cairo Airport investigated - Abu Nidal Organisation + Flight 940'

Investigators concluded that the bomb contained one pound of plastic explosive. As the bomb was placed on the floor of the cabin, the explosion tore a hole downward, where the fuselage absorbed the most damage.

Video: '1985 TWA Flight 847 Hijacking And 1986 TWA Flight 840 Bombing' (Apr. 2, 1986, at 5:43)

It is suspected it had been placed beneath the seat on a previous journey by a Lebanese woman (later arrested, never convicted) who worked for the Abu Nidal Organisation, which was dedicated to the destruction of the state of Israel