Police in the Western Isles are reappealing for information after a road traffic collision in Lewis in August.
A local motorcyclist required hospital treatment in Glasgow for his injuries.
The collision occurred about 9.30pm on Friday, August 25 near the Halfway Garage on the Lochs Road,
The incident involved a Triumph motorcycle and a car which were both were travelling south towards Cameron Terrace at the time.
The driver of the car has not been traced.
A source suggested the occupants -
Driver left scene after motorcyclist injured in collision
13 Oct 2017
Officers ask anybody who was present or witnessed the incident, who have not yet spoken with police, to come forward.
Police are keen to speak to a group of tourists, possibly from the Edinburgh area, who may have witnessed the collision.
It is possible the group were staying in holiday accommodation in either Lewis or Harris that night.
Police thanked people who already came forward with information.
Anyone with information is asked to contact Police Scotland on 101, quoting reference NH3274/17, or Crimestoppers on 0800 555111 if they wish to remain anonymous.