The Queen is in "good spirits" and "good health" besides the symptoms of gastroenteritis, her spokesman has said. He added:
This is a precautionary measure. She was not taken into hospital immediately after feeling the symptoms. This is simply to enable doctors to better assess her.
More top news
Unusually windy for the time of year with gales and big waves battering western coastlines.
Airbus have filed a patent for a supersonic aircraft that could travel from London to New York in an hour.
Natalie Sharp and Christine Bicknell appeared in court over an alleged incident at a Lidl superstore in Wallington, south London.