The Queen spent a night in hospital after cancelling a trip to Northern Ireland on medical advice, Buckingham Palace has said.
A Palace spokesperson said the Queen went to hospital for “preliminary investigations” on Wednesday but returned to Windsor on Thursday.
The spokesperson said: “Following medical advice to rest for a few days, The Queen attended hospital on Wednesday afternoon for some preliminary investigations, returning to Windsor Castle at lunchtime today, and remains in good spirits.”
It is understood the overnight stay was for practical reasons and the Queen was back at her desk on Thursday afternoon and was undertaking light duties.
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It came after the 95-year-old was forced to cancel a trip to Northern Ireland on the advice of her doctors.
The Palace said on Wednesday that the monarch was 'in good spirits', though, and had only reluctantly accepted the advice.
A Buckingham Palace spokesman said on Wednesday morning: "The Queen has reluctantly accepted medical advice to rest for the next few days.
"Her Majesty is in good spirits and is disappointed that she will no longer be able to visit Northern Ireland, where she had been due to undertake a series of engagements today and tomorrow.
"The Queen sends her warmest good wishes to the people of Northern Ireland and looks forward to visiting in the future."
It is understood The Queen's decision is not related to coronavirus. She is still expected at this stage to attend events linked to the Cop26 climate change conference in Glasgow at the end of the month.
