The Hijacking reference article from the English Wikipedia on 24-Jul-2004
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Hijacking

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Hijacking or highjacking is the forcible robbery from, or seizure of a vehicle in transit. Historically the term used to refer to robbery of trucks, other land motor vehicles car jacking and aircraft skyjacking. Contemporarily the term is primarily associated with high-profile aircraft hijacking for political purposes including terrorism, although other cases have included the cruise ship Achille Lauro in 1985 which could also be considered piracy.