The first video I saw on YouTube which was flagged as "not suitable for minors" due to the stuff you hear, not what you see… cool ^^,

A polish schoolboy who turned a city’s tram network into a giant toy by manoeuvring rolling stock using a TV-style remote control has been arrested after he caused chaos on the public transport system. Adam Dabrowski, 14, described by teachers as a model pupil and an electronics genius, hacked into the public transport network in Lodz to change the track points derailing at least four trams and leaving dozens injured. The teenager had also equipped himself with a hand- drawn map of city tram junctions. Read on…

Reminded me of this one… ;o)