A 38-year-old man told Kankakee Police that while he was riding his dirt bike in an empty lot in the 600 block of North Sixth Avenue about 3 p.m. Saturday, April 3, when three males approached him. One of the males brandished a handgun and demanded the dirt bike. The victim gave him the dirt bike and walked away. The dirt bike was found abandoned April 4 in the 1100 block of West Wilson Drive. The case remains under investigation.