Britain's Queen Elizabeth II, Patron, leaves after attending a Service of Thanksgiving to mark the Centenary of the Royal British Legion at Westminster Abbey in London, October 12, 2021. /CFP
Queen Elizabeth II of the United Kingdom spent Wednesday night in hospital, Buckingham Palace confirmed on Thursday.
A palace spokesman said that following medical advice to rest for a few days, the Queen visited the hospital on Wednesday afternoon "for some preliminary investigations."
As of lunchtime Thursday, she has returned to Windsor Castle "and remains in good spirits," the spokesman said.