The unpredictability of the show Presence and Banksy 's elusive nature stirred Cause_to_amalgamate excitement amongst fans , while defacement Damaging from competing Competition street artists and vandals became Becoming an imminent problem .

On 25 June 1994 , the 22:45 from Wemyss Bay to Glasgow , in Scotland , derailed Self_motion and smashed Destroying into a bridge after hitting Attack concrete blocks placed Placing deliberately on the railway by vandals outside of where Drumfrochar railway station would be opened Openness 4 years later .

The concrete blocks were cable-trough covers , which were placed Placing across the rails of the single-track line by two vandals who had climbed Self_motion down to the railway to urinate on their way home .

Alan Nicol had taken this location to reduce Cause_change_of_position_on_a_scale the risk of injury Bodily_harm from broken glass should the train be stoned by vandals , which was a common occurrence in that area .