A 42-year-old man has been seriously injured after falling from a ridge in Snowdonia.
The climber was in a group of four descending Crib y Ddysgl when he plunged around 60ft at around 5.40am today.
An RAF helicopter flew members of the Llanberis Mountain Rescue Team to the scene after the alarm was raised.
The man, part of a team from Surrey, was stabilised and airlifted to Ysbyty Gwynedd hospital in Bangor.
He is believed to have suffered head, chest, back and pelvic injuries.
The Llanberis Mountain Rescue Team escorted his colleagues back to Nant Peris.
Phil Benbow, secretary of the rescue team, told the BBC that the group had been attempting the Welsh 15 Peaks challenge, tackling all summits over 3,000ft.
He said: "They spent the night on Snowdon and were coming down Crib y Ddysgl when the accident happened.
"It's just unfortunate - they were well equipped, the weather was fine and they weren't doing anything other groups usually do."