Youth FallsFrom MovingSchool ItusA Chicago Heights youth was injured Thursday afternoon when he fell out of a school bus and struck his head on the pavement on Boston street in the Forest Heights section of thecity.John Booth, 15, of 301 Concord drive, was treated at St. James hospital and then released.A witness told police he saw the school bus traveling about20 miles an hour on Boston street with the front door opened when suddenly the youth fellbackwards out of the bus The witness said the driver of thebus did not stop the vehicle.Booth told [xdiee that he was standing on the bus next to theopen door when tie fell out. hut he said he did not know what caused him to fall Police said they are investigating the incident