Officials began scouring the 200-rai plantation on December 17 after his parents, who are Myanmar workers in the area, alerted the police of his disappearance. Locals, border patrol police and soldiers helped with the search, especially since his disappearance became national news due to his age.
Initially, Suphan Buri Governor Nimit Wanchaithanawong suspected that young Sului Piew was kidnapped and taken out of the area after a search mission involving 300 people over the weekend came up empty-handed.
He was last seen walking in his village in tambon Sa Phang Lan of U-Thong district with his three-year-old sister, who told police that a man had taken her brother by the hand and led him away.
Suphan Buri governor Nimit Wanchaithanawong on Tuesday ordered some 700 rescuers to comb through the sugarcane plantation for traces of the missing boy.
Four elephants mounted by their mahouts had joined the search for the missing boy. The search involved hundreds of volunteer rescue workers, police and soldiers who have been deployed to search an 80-acre field around 2m-high sugarcane plants.
At around 4.30pm, rescuers found the body of Salui inside the plantation, about 5km away from the spot where he went missing, Thai media reported.
The body was being taken for an autopsy.