The six women who are scaling The Shard building in London are just 18 metres from the top, according to Greenpeace press officer Ben Stewart.
One climber has been nominated to "free climb" the final ascent, meaning she will use no aids such as ropes.
The #iceclimb women are 18m from the top. they've chosen Wiola, 23, from Poland to make an attempt on the summit. She's going for it. Now.
Wiola is the youngest #iceclimb woman. She's free-climbing the final 18m, a third of a kilometre in the sky, right now. Yes, free-climbing.
More top news
High pressure gives settled and increasingly hot weather across the bulk of England - particularly SE England over the next few days.
The superhero blockbuster, released in April, has taken an estimated 2.79 billion US dollars (£2.3 billion) at the global box office.
This is the first major wildfire in Portugal this year.