The Duke of York will abseil down the Shard skyscraper in London for charity today.
Other participants include Ffion Hague, the wife of Foreign Secretary William Hague, and leading businessmen and women.
The Shard is the tallest building in Europe, and its viewing galleries will be open to the public in February next year.
More top news
The Labour leadership contender promised to focus on 'equality of outcome' rather than the 'equality of opportunity' pursued under Blair.
A dull and wet start with some sunshine in south-east Scotland and north-east England.
In a rallying call at the Democratic National Convention, the former US president said Hillary is 'the best darn change-maker I ever met'.