Over the past 10 years, 1,158 care home residents died of thirst or while suffering from severe dehydration - an average of almost 10 people a month - according to a report by The Daily Telegraph.
Here are some symptoms of severe dehydration, according to the NHS:
- Low level of consciousness
- Dry mouth, eyes that don't produce tears
- Not passing urine for eight hours
- Dry skin that sags slowly into position when pinched up
- Rapid heartbeat
- Blood in stools/vomit
- Low blood pressure
- Sunken eyes
- Weak pulse
- Cool hands and feet
More top news
Nearly £2,000 on beeswax candles and many thousands of pounds on lunches with foreign dignitaries: the Commons Speakers' expenses laid out.
Kenya's world class athletes have told ITV News of their mixed hopes on the country's ability to save the nation's reputation before Rio.
A man who disappeared more than 30 years ago has solved his own missing persons case - after remembering who he is.