Police are investigating an incident of public order that occurred at around 9:30pm on 24th November.
A spokesperson from Cumbria Police said: "It is reported that something has been fired from a dark coloured hatchback car at a white Ford Transit van.
"The incident is reported to have started in Great Urswick, and then progressed on to Leece Lane, Barrow.
"An 18-year-old man from Barrow was arrested on suspicion of possession of an air weapon in a public place. He has since been released on police bail."