Duck! Indonesia suspends grapefruit-sized concrete balls above railway lines to stop 'roof riders'
Indonesia has gone to imaginative extremes to try and stop commuters from illegally riding on the roofs of train - from hosing them down with red paint to threatening them with dogs.
But now authorities have developed an intimidating and possibly deadly new tactic - suspending rows of grapefruit-sized concrete balls to rake over the top of trains.
They hope the balls - which would deliver serious blows to the head if they didn't knock a person off the roof of a train - will be enough to deter 'train surfers'.
Full post: Duck! Indonesia suspends grapefruit-sized concrete balls above railway lines to stop 'roof riders'