A 16-year-old boy has been arrested in connection with a series of train attacks near Cambridge North railway station, British Transport Police (BTP) confirmed.
Between 18 January and 2 February, at least six incidents were reported where projectiles were launched at passing trains, causing smashed windows and disrupting services. It is understandood catapults were used in the attacks.
The teenager was arrested on suspicion of endangering safety on the railway but has since been released on bail as investigations continue.
BTP is urging witnesses or anyone with information to come forward.