PRESQUE ISLE, Maine — Police are searching for a person involved in a Thursday road rage incident that ended in gunshots on Route 1 in Presque Isle. Presque Isle police said Caribou police contacted them at 5:45 p.m. on June 4, after a Caribou resident reported that someone had shot fireworks at his car while he was northbound on Route 1 in Presque Isle. The victim and another car had begun a confrontation north of the Aroostook River Bridge as both vehicles traveled to Presque Isle from Caribou, police said.