Former prime minister Baroness Margaret Thatcher was admitted to hospital yesterday and is expected to be kept in overnight tonight after having a growth removed from her bladder.
The 87-year-old is said to be doing "absolutely fine", according to her spokeswoman.
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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.