Stories of the horror unleashed in Norway by gunman Anders Behring Breivik have continued to emerge.
Utoya island survivor Vegard Geroslaven Slan, a member of Norway's youth league Labour party, told of his ordeal in an interview with BBC Breakfast.
He said: "My friends came running in my direction, away from him (Breivik).
"Soon I heard gunshots and saw people fall to the ground and after that I saw him walk over to them and shoot them in the head while they were lying on the ground.
"At that point I obviously understood it was so serious I just ran. I hid in a small woody area and I hid in a cabin, just hid there under a bed until the police arrived."
Mr Slan said he could hear the shootings from his hiding place.
He went on: "We were a group of almost 40 people hiding in this cabin and we could hear gunshots all the time.
"I knew he was going for the kill. It was terrible because I was thinking that he was shooting my friends while I was lying there but I was just praying and hoping that he wouldn't come into the cabin where we were and thankfully he didn't."
Liv Corneliussen, an Oslo police prosecutor, said the search for more dead "both on and outside" Utoya island continues. Asked whether there was any chance of finding more survivors there, she said: "It's difficult to say but the search is still going on and we of course hope for the best."
Ms Corneliussen also confirmed that an expert had flown in from London to help with the forensic investigation.