![Britain's Queen Elizabeth II on October 12. Photo: AFP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/6BC5P7JUFILQBEHTUAYOX2LPRM.jpg?smart=true&auth=5133fdf285a79415adbc6f5c823095863f6dede0d4a67cce3229ee694c8f3488&width=400&height=225)
Britain's Queen Elizabeth II on October 12. Photo: AFP
Britain's Queen Elizabeth II on October 12. Photo: AFPUK's Queen Elizabeth II spends night in hospital for ‘preliminary investigations’
The Queen returned to Windsor Castle at lunchtime on Thursday