last night broke down off the A24 first heard a belt snap and something gettin caught in the engine i kept driving got to a station, the car was over heating, fan belt had completely torn, water pump was frozen and the pulley was bent out at a slight angle, there was alot of hissing and some serious steam, now im back had a look the rest seems normal, more oil on the around the right side of the engine bay but i have no idea how this happened, what the real damage is and what to do? all help appreciated thanks. :D