It's believed to have taken place on 3 February
The incident, which occurred on 3 February, involves an unknown black vehicle which is believed to have been travelling at a speed.
The constabulary says it was planted on the site by Hospice Isle of Man and the vehicle caused damage to the area.
Anyone with information is asked to call 631212.
Emergency services respond to incident at Douglas Port
Junction closed following collision between motorcyclist and car
