LATEST: The art installation takes 4 hours so the climbers have decided it's not safe to install before it gets dark. #iceclimb
We're still far from certain whether they can make it to the top but they're going to try. #iceclimb
Important to remember this is the first ascent of the Shard. Nobody has ever done this before. There are lots of unknowns. #iceclimb
More top news
A 24-year-old man has been arrested on suspicion of murder after the body washed up on the Thames shoreline.
Seven people have now been arrested after a man died from serious head injuries
The 38-year-old officer was on his way home from a night shift when he collapsed. His death is not being treated as suspicious.