The valleys stations with the worst anti-social behaviour as horrifying consequences are revealed
![The valleys stations with the worst anti-social behaviour as horrifying consequences are revealed](https://i2-prod.walesonline.co.uk/incoming/article29496168.ece/ALTERNATES/s615/2_RWP_MAI_TFW140523_16_03.jpg)
Transport for Wales has issued a stark warning about the dangers of anti-social behaviour as it reports a rise in instances at stations along the Core Valleys Lines