Water supplies in south devon, meaning around 40,000 people are now being told to boil their water before they drink it. South west water believes a faulty air valve in a pipe in a Farmers Field that leads to a reservoir is the likely source of a Waterborne Parasite Infection that causes sickness and diarrhoea. 22 cases of cryptosporidium have been confirmed so far in brixham. Residents in the area are being told it could be another week before the problem is sorted. 0ur South Of England correspondent jenny kumah is in brixham tonight. Its been a day of people telling me about their frustration and disappointment at the situation here, but tonight, people are slightly closer to knowing the answers to the key questions of what may have caused the outbreak and how long the disruption could go on for. This Primary School playground should be full of kids. Instead, pupils are at home. The head closed the school because it hadnt had any bottled water delivered. Its obviously to protect the