A possible concise summary is:
The video is about a group of eight people who sneak into the o2 arena in London at night and climb on the roof, which is bouncy and fun. They encounter security guards, police, and helicopters, and have to escape without getting caught or arrested. They use cameras to record their adventure and share it online. Some of them manage to get away, while others lose their equipment and face legal trouble. The video is full of adrenaline, danger, and excitement.
Here are some key facts extracted from the text:
1. The speaker and his friends are trying to sneak into the o2 arena in London at night and climb on the roof.
2. The roof is bouncy and they can do flips on it.
3. They are spotted by security guards and police officers who chase them with dogs and helicopters.
4. The speaker and two of his friends manage to escape by running into the underground station, while the others are caught and have their camera gear seized.
5. The speaker is banned from the o2 arena and has previous trouble with the police for similar stunts.