A motorcyclist died Monday of injuries suffered in a hit-and-run accident in Lisbon Saturday night.

Jeffrey Sickel, 28, died Monday at Central Maine Medical Center in Lewiston, reports the Lewiston Sun Journal.

Police say Officer Ellen Stewart came upon the crash during her normal patrol on Lisbon and Memorial streets. She said Sickel, who suffered extensive head injuries, was found in the roadway near his wrecked motorcycle.

Witnesses said an unknown vehicle turned left onto Memorial Street from Lisbon Street and into the path of Sickel's motorcycle. Police say the driver of that vehicle left the scene of the accident.

Police say the investigation is ongoing.