‘The eels were climbing out of the water to die’: why did every fish in this idyllic lake perish overnight?

<p>Furnace Brook in East Sussex was home to carp, tench, bream, roach and trout – and 15 trailer-loads had to be buried. The mystery led to a neighbouring farm, and a story of waste, pollution and dirty rivers that reveals a lot about Britain today</p><p>When Alistair and Diane Gou