A police officer can be seen in the live video feed from a camera worn by one of the climbers at the top of The Shard. It is not clear whether any of the protesters have been arrested.
More top news
The mother of a teenager from North Devon has spoken of her relief after a man was finally convicted of killing her daughter.
The corporation has come under fire over plans to end the universal provision of free licences for the over-75s.
The PM delivered a major speech on the state of national politics ahead of stepping down next week.