The child went missing on Monday evening in Broechem town while out cycling at the camp, according to the report.
Police started a murder investigation and five suspects were arrested.
"I wish to express my sincere condolences on the tragic death of a child. An investigation will be conducted in a transparent and independent manner. The guilty must be punished," Belgian Prime Minister Charles Michel said on Twitter.» Other NewsOil prices down with rising US crude inventoriesGalatasaray becomes champion in Turkish Super LeagueHow Greece turned a deadly road into one of the safest in the countryCalls and Text Messages Between EU States to Become Considerably Cheaper as of May 15Tweets by milletworld