It's possible you have already seen it. This 1;02 long video is part first one ever which was leaked outside North Korea, showing execution there. It was first aired by JIN-NET (Japan Independent News Net), full material was 1,5 hour long. Version below comes from Ogrish, which posted it on 19th of March, 2005 (executions took place on 1-2nd of March). Rest of story under videos and pictures.

Here is 3;23 version with comment in English. That's the version distributed on http://northkoreanrefugees.com/dvd/ meant to be freely shared e.g. by human rights activists.

Original, longer footage showed two executions: from 1st and 2nd of March, both in Hoeryong city, Hamgyong-bukto (Northern Hamgyong) Province. These two stillshots were widely shown in media, too:

There are also two other pictures/stillshots reportedly connected, but I won't include them. One I couldn't date back earlier than 2013/2014 (shown in Daily Mail) and one which credibility was questioned by South Korean officials. Footage drew attention of world media. CNN included it in documentary 'Undercover in the Secret State'. It's available on YT. EDIT: rest of paragraph removed.

⠀⠀INFO ON EXECUTIONS AND BACKGROUND

1st of March: Execution took place at the Hoeryong River bank, near a market in the city center. The chief judge of the Hamgyong-bukto Province decided the fate of 11 defendants. Most of them were charged with 'illegal border crossing' and 'human trafficking'. Two were executed, two got life sentences and 7 got 10 to 15 years of hard labor. According to one resident, two executed on March 1 were factory laborers Choi Jae-gon and Park Myeong-gil.

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Background info:

I know another person has already posted this, but I discovered a longer version (supposedly the one making its rounds on the Internet) on this blog from 2009 which I didn't manage to post in time. Then just recently, I found an even longer version posted 1 month ago on bestgore. So here are both videos. The first one is the longest version (abt 3 minutes long). The second one is the one supposedly making its rounds in 2009.

The mentioned blog:

http://robert-lindsay.blogspot.com/2009/10/face-split-diving-accident-video.html?m=1

Extract from blog:

It's referred to by some description of the event like Horrible Diving Accident, Bridge Fail, Worst Diving Accident, Horrific Diving Accident, Awesome Diving Accident, Disgusting Diving Accident, Jump Accident, Cellphone Horrific Diving Accident and Diving Accident

A teenager, a 16 year old boy, dives off the seaside promenade in Beirut, Lebanon and slips before the dive. The slip causes him to miss the ocean and instead hit the concrete slab below where fishermen fish. He hits the concrete face first, then goes into the ocean. In a short while, the ocean for yards around has turned red with blood. There are people and boats in the water trying to help the guy, and girls are screaming all over the place.

The scene then shifts to a hospital where the poor guy is being overseen by a team of doctors and nurses. His face has been split clear in two down the middle vertically!

He is still alive, conscious and breathing, and his tongue is moving around. He appears terrified. The doctor takes the sides of his face and pushes them together a couple of times to make a whole face again. The doctor says, "Where do I begin?" a few times in Arabic.

The water has gone completely red in the video. The rescue team with a boat can also be seen. People who think the video is fake say that the water is too red, and the blood he lost could not possibly have turned the water so red. When blood loss occurs in water, the water is almost like a medium for the blood and allows it to spread a lot as it mixes. This can cause a little bit of blood to look like a lot of blood. This is not to say the victim didn't lose a lot of blood, but the color of the water makes it appear as if he lost more than he did.

People are wondering how he could survive such an injury, and the front part of his brain may indeed have been injured, but others are saying that it appears to be intact. At any rate, basic things like breathing are done by the brain stem. The brain stem does not appear to be injured.

People are also wondering about pain. The brain has no pain receptors. On the other hand, the damage to his face must be very painful.

It's a long way off the Manara Promenade to the ocean, over 40 feet. The first part of the video shows his brother making a successful dive. The victim and his brother had made several jumps before, and everything had gone fine, but this time the victim slips and disaster unfolds.

This part was shot with a Nokia cellphone that shoots dark in the afternoon. The segment was shot by a girl at the scene who can be heard screaming, "Oh my God! Oh my God! Someone call the Civil Defense!" in Arabic. Some say his friends would not shoot movies of him diving, but the girl filming is just some girl who was there filming the divers. Lots of people use their cellphones to film the divers.

This actually is not the original video from Lebanon.

In Lebanon, there were two videos, the first one of the diving accident. This one started going around Lebanon later in the day after the accident. In the original Lebanese video, there is no fade out after he hits, for one thing. The original video from Lebanon is not currently available.

The second video was shot in the hospital and started going around later.

The video on my site is the two different videos spliced together.

The second part of the clip is the same kid in the hospital, but was shot with a different cellphone so it looks different. The hospital staff is definitely speaking Lebanese Arabic. This part of the clip was shot in the brightly lit ER of the American University Hospital, which is only ¼ mile away from where the accident took place. That's why things are so much brighter in this part of the clip.

People say there is no way a cellphone would have been allowed in an ER, however, in the Developing World, it is quite common for family, friends, etc. to be present in the ER right next to the patient's bed as the staff hovers around them.

It's also not uncommon that they have a cellphone on them and record the goings-on. That would be unheard of in the US, but in the Arab World, no one thinks anything of it.

As you can see in the hospital footage, they have the boy intubated, which is an excellent idea. However, he is not on a ventilator, nor are there any signs of monitoring equipment such a pulse oximeter. Also they did not put him in C-Spine precautions (C-collar, backboard, strapped down).

The physician is focusing on holding his face together, possibly in order to protect the airway. Critics say the doctor is "playing" with the face, and no doctor would do that, but I don't think he is playing with it. I think he's trying to fix it.

Some US Medical personnel say the video is fake because he is not receiving proper medical care. Keep in mind that this is Lebanon. He is getting reasonable medical care, but he is not receiving the best of medical care.

In this case, the best care would be the following: Put the victim in a drug induced coma for most of the time. Start with the major things like checking the frontal bone (forehead) to ensure the brain is safe, maintain vascular supply to tissues, deal with the airway (victim would need a tracheotomy), try to save his vision and go from there. After that, try bone fusions/pinnings to repair bones and muscle re-attachments to repair muscles. Skin and soft tissues would be dealt with last. There would surely be a hell of a scar afterward.

In this case, all the surgeons could do was to stitch up the deep and severe wounds in his face. Although some clinicians on the Net say that a good ENT could patch this kid up, this poor guy could not be saved. All the surgeons were able to do was keep him alive in the ICU for two days before he died. The death was due to spinal fracture and in particular severe internal bleeding in the brain.

Death was due to internal bleeding. A lot of people in Beirut gave money to his family after he died.