Italian activist Vittorio Arrigoni has been found dead in Gaza. He had been kidnapped on April 14 by a group which aligns itself with al-Qaeda.
The group had threatened to kill if Hamas did not release its leader and two other members.
Officials have arrested two suspected kidnappers and are now looking for accomplices.
The Italian government have condemned the act as "barbaric murder".
Al Jazeera's Nicole Johnston reports from the Gaza Strip. (15 April 2011)
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