Tour operator First Choice say they are investigating the circumstances surrounding Chloe's death.
In a statement they said:
"First Choice can sadly confirm that a child has died while staying at the Coral Sea Waterworld hotel in Egypt. The incident occurred in a pool in the hotel's waterpark.
Our thoughts and condolences are with the family at this extremely difficult time. The British Consulate were immediately informed and they are now working with our dedicated resort team in Egypt, to offer every assistance possible to the family in resort."
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A 24-year-old man has been arrested on suspicion of murder after the body washed up on the Thames shoreline.
Seven people have now been arrested after a man died from serious head injuries
The 38-year-old officer was on his way home from a night shift when he collapsed. His death is not being treated as suspicious.