Islamists vow to end Somalia piracy

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As the radical Muslim group, Hezb Al Islam captured Harardhere, a major pirate town in northern Somalia, it declared it would end piracy and impose Islamic law  (IMRA, 5/4/10).

Is the distinction there that instead of preying on foreigners, the rulers of that town will prey upon their own people?  Terrorists are considered common enemies of mankind which, under international law, is akin to piracy.