Seventy four year old, Noi-Sung Hong was found on Saturday in the Sulu Province stuffed inside of a sack on the side of the road.
The elderly South Korean man was kidnapped ten months ago by an extremist group in the Philippines. Authorities believe it to be Abu Sayyaf.
In January, Hong was abducted by five gunman who were dressed like policemen who barging into his home in Roseller Lim.
Police believe that Hong died of an illness. Authorities did not say what they believe that illness to be.
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