Q: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Mammoth – The man who died in a Yellowstone hot spring last summer was apparently looking for a place to “hot-pot” in the park. Yellowstone officials recently released the final report on the accident, following a Freedom of Information Act request. The victim’s sister recorded the incident on her cell phone. 
  
 The accident happened in Norris Geyser basin on the afternoon of June 7. Deputy Chief Ranger Lorant Veress says it is a very dangerous area with boiling acidic waters. 
  
 Veress explained, “There’s a closure in place to keep people from doing that for their own safety and also to protect the resources because they are very fragile. But, most importantly for the safety of people because it’s a very unforgiving environment.” 
  
 But, according to the official incident report released by the National Park Service, 23-year old Colin Nathaniel Scott of Portland, Oregon, and his sister Sable Scott left the boardwalk near Pork Chop Geyser, then walked several hundred feet up a hill. 
  
 Veress said, “… they were specifically moving in that area for a place that they could potentially get into and soak. I think they call it Hot Potting.” 
  
 The report says Sable used her phone to record the journey to the hot spring. The report quotes her as saying she was shooting a video of her brother when the deadly accident happened, However, park officials would not release the video, or even a description of it. 
  
 Other areas of the report are redacted under the Privacy act. Veress said it was done out of sensitivity to the family. 
  
 The report did quote Sable as saying, “her brother was reaching down to check the temperature of a hot spring when he slipped and fell into the pool.” 
  
 Search and rescue rangers who arrived later did find the victim’s body in the pool, along with his wallet, and flip flops. But, a lightning storm stopped the recovery efforts. The next day, workers could not find any remains. Veress says the water was churning, and acidic. 
  
 He remarked, “In a very short order, there was a significant amount of dissolving” 
  
 Veress said the park posts warning signs for important reasons, “… because it is wild and it hasn’t been overly altered by people to make things a whole lot safer, it’s got dangers. And a place like Yellowstone which is set aside because of the incredible geothermal resources that are here, all the more so.” 
  
 There were no citations issued in relation to the Norris incident. ||||| This article is over 2 years old 
  
 An Oregon man who died and “dissolved” after falling into a boiling, acidic hot spring at Yellowstone national park last June had been looking for a place to swim, officials investigating the incident have concluded. 
  
 Colin Scott, 23, was hiking through a prohibited section of the park on 7 June with his sister, Sable, when Scott fell into a hot spring “and did not get out”, according to a report released by the National Park Service on Thursday. 
  
 Deputy chief ranger Lorant Veress told a local news station, KULR-TV, the pair were searching for a place to “hot pot”, the illegal practice of swimming in one of the park’s thermal features. 
  
 “[They] were specifically moving in that area for a place that they could potentially get into and soak,” Veress told the station. 
  
 Sable Scott was filming a video of the pair “intentionally” walking off the Norris Geyser Basin’s boardwalk, according to the report, when her brother fell in. 
  
 “The smartphone recorded the moment he slipped and fell into the pool and her efforts to rescue him,” the report said. There’s no cellphone service at the basin, according to the report, so Sable Scott went back to a nearby museum for help. 
  
 The incident report was released in response to a Freedom of Information Act request by KULR. Officials withheld the video clips from release. 
  
 When park officials arrived, portions of Colin Scott’s head, upper torso and hands were visible in the hot spring. 
  
 “Due to the report of the individual not previously visible, a lack of movement, suspected extreme temperatures, and indications of several thermal burns, the subject was determined to be deceased,” US park ranger Phil Strehle wrote in a 9 June report. A v-neck-style shirt was visible, he said, and “what appeared to be a cross was visible and resting on the subject’s face”. 
  
 Rescuers were unable to safely recover Scott’s body, due to the “volatile” thermal area and an incoming lightning storm. When officials returned the following morning, Scott’s body was no longer visible. 
  
 “The consensus among the rescue/recovery team … was that the extreme heat of the hot spring, coupled with its acidic nature, dissolved the remains,” a report said. A wallet and a pair of flip-flops belonging to Scott were recovered. 
  
 Increase in Yellowstone visitors raises park's concerns over wildlife and safety Read more 
  
 Water temperatures at the basin typically reach 199F (93C); at the time Scott’s body was recovered, the report said, rescuers recorded a temperature of 212F, at which point water begins to boil. Warning signs are posted around the area to direct visitors to remain on the boardwalk. 
  
 Scott’s sister told investigators that he was visiting her from Portland, Oregon, and had recently graduated from college before coming to visit her. 
  
 No citations were issued, the report said. 
  
 The National Park Service advises visitors on its website to stay on boardwalks and trails in thermal areas. 
  
 “Hot springs have injured or killed more people in Yellowstone than any other natural feature,” according to the service. 
  
 • This article was amended on 18 November 2016. An earlier version used the surname Strehle in one instance where Scott was meant. |||||  
  
 Norris Geyser Basin in Yellowstone National Park, Wyo., in September 2009. (Beth Harpaz/AP) 
  
 Wyoming’s Norris Geyser Basin is the hottest thermal region in Yellowstone National Park. The geothermal activity 1,000 feet below the surface could cook a holiday roast: Scientists measured the highest temperature recorded in the park, 459 degrees, in the Norris thermal system. The surrounding habitat gets so warm that the Norris Basin is one of the few places in Yellowstone where sagebrush lizards can thrive. At the surface, the pools of acidic and super-hot water house living mats of green, orange and pink microorganisms. 
  
 Like many of the 840,000 people who visited Yellowstone in June, Colin and Sable Scott, a brother and sister from Oregon, came to marvel at the basin’s thermal features. But their visit took a turn for the horrific, as The Washington Post reported, when the pair left the protective boardwalk and hiked 225 yards into the basin. 
  
 [Man’s death shows the enticing beauty — and deadly power — of Yellowstone’s colorful hot springs] 
  
 “There’s a closure in place to keep people from doing that for their own safety and also to protect the resources because they are very fragile,” Lorant Veress, a Yellowstone deputy chief ranger, told NBC affiliate KULR 8 on Tuesday. “But, most importantly for the safety of people because it’s a very unforgiving environment.” 
  
 At the time, it was unclear exactly what went wrong next. 
  
 “Then, somehow, Colin Scott slipped, and as his sister watched, the 23-year-old tumbled into one of the boiling springs. Despite her immediate call for help and the prolonged search efforts by park staff, her brother was never seen again,” The Post reported in June. One of the few pieces of evidence left behind was a pair of Scott’s flip-flops. 
  
 A man visiting Yellowstone National Park died June 7 after he reportedly walked 225 yards away from the boardwalk and into an isolated area where he fell into a boiling hot spring. Authorities discuss their recovery efforts, which were halted on June 8. (East Idaho News) 
  
 A Freedom of Information Act filed by KULR 8 and released in November revealed the details of the accident. The pair had more than an unauthorized stroll in mind. Rather, their goal was to find a thermal pool and take a soak — illegal conduct that the park described as “hot-potting.” 
  
 Sable Scott took a video recording of her brother on her phone, the Associated Press reported, as he made his way toward a 4-foot-wide, 10-foot-deep pool. In the report obtained by KULR 8, Scott witnessed her brother as he “was reaching down to check the temperature of a hot spring when he slipped and fell into the pool.” 
  
 Though rangers were able to locate Scott’s body, bad weather impeded the immediate recovery attempt. 
  
 Later attempts would have been futile, due to the composition of the pool. “In a very short order, there was a significant amount of dissolving,” Veress told KULR. 
  
 This video captures a thermal lake in Yellowstone National Park, Wyo. (Newsflare) 
  
 Since 1870, the first recorded fatality in the park, 22 people have died in its thermal pools and geysers. Park historian Lee H. Whittlesey, writing in his 1995 book “Death in Yellowstone,” described another fatal incident of hot-potting. A 20-year-old lodge cook, joining other park employees for an illegal hot-pot party one late night in 1975, wound up in the wrong 179 degree-pool and died. 
  
 Ranger Veress warned that straying beyond official paths and signs into Yellowstone is dangerous, as much of the park’s wilderness remains as untouched as possible. 
  
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A:
A man who left the boardwalk in a highly dangerous area of Yellowstone National Park was looking for a place to swim but ended up being dissolved in a hot spring, according to the final official report on the June 7 accident. The report states that Oregon man Colin Nathaniel Scott, 23 and his sister Sable Scott were looking for a place for soaking, or "hot-potting," KULR-8 reports. The sister told authorities that her brother was reaching down to check the temperature of a pool around 225 yards from the boardwalk when he slipped and fell into what turned out to be a boiling, acidic pool. Deputy Chief Ranger Lorant Veress describes the area as a "very unforgiving environment." After Sable Scott went for help, park rangers were able to locate her brother's body, but they were unable to retrieve him because daylight was fading and a storm was approaching, the Guardian reports. There were no remains to be found the next day, and rescuers concluded that the "hot spring, coupled with its acidic nature, dissolved the remains." Sable Scott was recording video of her brother when the deadly accident happened, but officials say they won't release the video or even a description of it. The Washington Post notes that at least 22 people have died in Yellowstone's geysers since 1870, including a 20-year-old cook who got into the wrong pool when park employees held a "hot-potting" party in 1975.