Thames Water tests for vomiting bug contamination as

Exclusive: after cryptosporidium outbreak in Devon, residents in south-east London report stomach cramps and diarrhoea

Thames Water has sent samples of water for lab testing after dozens of people reported becoming unwell with stomach cramps, vomiting and diarrhoea in south-east London.

Earlier this month, unsafe drinking water led to more than 100 cases of a waterborne disease in Devon, with people asked to boil their water because of contamination fears.