A Lakeland man riding a motorized bicycle was struck and killed by a hit-and-run driver on a two-lane residential road Saturday evening, police say.

Julio E Medina Ocasio, 54, was traveling south on Lake Bonny Drive E in the northbound lane around 5 p.m. and apparently was hit head on by an unknown vehicle. The driver then left the scene, police said.

A boy traveling the area came upon the crash scene, wich was in a curve on Lake Bonny Drive just west of Dixie Place, and notified his father, who then called emergency service personnel. Ocasio was declared dead at the scene.

The road was closed for three hours while authorities investigated.

Investigators are asking that anyone with information about the crash to call the Lakeland Police Department at 863-834-6900 or Crime Stoppers at 1-800-226-8477.