The brother of the Duchess of Cornwall - Mark Shand - has been taken to hospital with a serious head injury following a fall in New York.
A Clarence House spokesman said: "The Duchess of Cornwall's brother, Mark Shand, has been taken to a New York hospital after falling and sustaining a serious head injury.
The Duchess, her family and The Prince of Wales are clearly deeply concerned and are being kept closely informed."
More top news
Other entries in the UKTV channel Gold competition included jokes about Donald Trump, Brexit, Southern Rail and Ryanair UKTV channel Gold.
Temperatures will remain close to freezing.
The prime minister's announcement came as international leaders gather in Paris on the second anniversary of the climate change plan.