TV tonight: the harrowing story of Britain’s biggest mass poisoning

Poison Water is a damning documentarym that puts 1988 water contamination in Cornwall in the spotlight. Plus: Grand Designs: House of the Year – the shortlist. Here’s what to watch this evening9pm, BBC Two
“Before I die, I want this truth to come out.” Carol Wyatt was a victim of what this damning film claims to be the biggest mass poisoning in British history – the 1988 water contamination in north Cornwall. She recalls her water being the colour of loo cleaner. Ma