One of the six-strong group has reached the top of The Shard. A video feed from the Greenpeace website shows Wiola, 23, from Poland - the youngest of the climbers - fly a flag at the summit. The rest of the group is waiting a short distance behind. They will now start their descent.
More top news
The victim, thought to be in his 40s, was attacked in Bromley at around 11:30am. His condition is still unknown.
The eagle-eyed resident spotted the mistake on signs just feet apart in south London.
The victim was attacked after bumping into a man at the ticket barrier at Putney Station.