Cartier International Day is typically one of the most star-studded sporting events of the year. The event hosts the Queen's Cup Final in the sport of polo. The actress Michelle Dockery, who stars in Downton Abbey, was one of those attending the prestigious event in Windsor.
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Holly has all the latest for the rest of today and the Bank Holiday weekend.
More than 35 firefighters are tackling a fire involving more than 7,000 tonnes of scrap metal at the docks in Hampshire.
The Maltings shopping centre was closed to the public after a small amount of the Novichok substance was found in the area.