Teacher:In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Teacher: Now, understand the problem? Solve this instance: UPDATE 2:50 p.m. Monday: Kevin Swanson has been released from Sierra Vista Regional Medical Center, hospital spokesperson Ron Yukelson confirmed Monday afternoon. According to Yukelson, Swanson was released earlier in the day, though he did not have the exact time. 
  
 Swanson has not responded to requests for comment. 
  
 UPDATE 11:30 a.m. Monday: Kevin Swanson's condition has been upgraded from "fair" to "good," Sierra Vista Regional Medical Center spokesman Ron Yukelson confirmed Monday. He is expected to be discharged within 24 to 48 hours. 
  
 Original story: A 50-year-old man was attacked by a shark at Montaña de Oro State Park while surfing Sunday, according to authorities. 
  
 State Park Ranger Supervisor Robert Colligan said a man was surfing in the area of the sand spit shortly after 11 a.m. when an 8- to 10-foot juvenile shark swam up underneath him and grazed his surfboard and right hip and thigh with its teeth. 
  
 Colligan could not confirm the name of the surfer, but witnesses at the scene confirmed the man is Kevin Swanson of Morro Bay. 
  
 Andrew Walsh, who was surfing with Swanson at the time of the attack, said the shark swam from beneath Swanson’s board and dragged him under with no warning. 
  
 “It was really radical,” he said. “I was about 10 feet from him, and it was absolutely quiet. … (The shark) came straight up out of the depths and got him and took him under the water. That was the amazing part: this big giant side of the shark just curving up out of the water.” 
  
 Walsh said Swanson was below the water for several seconds before he surfaced on his board, yelled “shark attack” and began paddling for shore. 
  
 Once he reached shore, Swanson used the leash cord from his surfboard to fashion a tourniquet for his leg where the shark bit him, Walsh said. Two doctors who had been walking on the beach helped Swanson, as well, and determined that no major arteries had been hit, Walsh said. 
  
 “We’re really blessed that he was still able to get himself to shore,” Walsh said. “I was a few feet behind him, and we grabbed him and got him out of the water, obviously, up on the sand, and very quickly these doctors where there, helping out and calling 911.” 
  
 Several local agencies responded to the call, Colligan said, including the Cayucos Fire Department, Cal Fire, the San Luis Obispo County Sheriff’s Office, the Coast Guard and State Parks. After being treated on scene, Swanson was taken by air ambulance to Sierra Vista Regional Medical Center in San Luis Obispo with injuries that were not life threatening. 
  
 Sierra Vista media representative Ron Yukelson said Swanson was in fair condition as of 3 p.m. Sunday. Swanson could not be reached for comment. 
  
 Authorities will not close the beach because of the attack, Colligan said; instead, per the county’s coastal incident management plan, State Parks will post notifications throughout the beach informing visitors of the attack. 
  
 The notifications will stay in place for five days, unless another shark sighting occurs, at which point the signs will stay up for an additional five days, Colligan said. 
  
 In the meantime, surfers and beach visitors are encouraged to use caution in the area, he said. 
  
 Tribune photographer Laura Dickinson contributed to this report. ||||| SHARK ATTACK ON CENTRAL COAST Surfer airlifted to local hospital after Sunday-morning incident at Montana de Oro By Jake Howard 
  
 Published: December 28, 2014 
  
 December 28, 2014 Views: 57,210 
  
  
  
  
  
  
  
 SHARK ATTACK ON CENTRAL COAST Surfer airlifted to local hospital after Sunday morning shark attack in Montana de Oro. 
  
  
  
  
  
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 Related First-person interview with surfer who witnessed the attack. Video: Mike Jones/Azhiaziam 
  
  
  
 This morning Central Coast surfer Kevin Swanson 
  
 was attacked by a great white shark at Sand Spit Beach in the Montana De Oro State Park west of San Luis Obispo. Supervising State Park Ranger Robert Collegian reported that Swanson was hit at approximately 11:30AM. Witnesses reported the shark being between 8 to 10 feet long.“We were sitting on our boards, about 10 feet apart, and it came up from underneath him, and the shark’s whole body twisted and took him under the water. I saw from its back by the gills to the tail and then it disappeared underwater,” explained a friend of Swanson’s who witnessed the attack.“Then he popped up from underwater in a full paddling position, and yelled, ‘Shark!’ And he was on full adrenaline, and he paddled so fast out of there. Then I yelled to a few others that were out there and got to shore,” continued the witness.Swanson reportedly applied a tourniquet to his own leg with his leash as he exited the water. Luckily a doctor was walking on the beach and came to his aid. It was determined that bleeding was not arterial as they proceeded to for call medical attention. He was airlifted to an area hospital for treatment for the wound he sustained to his right hip and leg.“I think we’re very blessed that it wasn’t worse. I mean, it’s bad enough, but it could have been worse,” added the witness. “It’s something you never think you’re going to see, you know -- your friend getting attacked by a great white.”Montana De Oro has a history of shark encounters. This past July a large Humpback whale washed ashore with evidence of Great White bites. On Oct. 5, 2013 a pair of surfers reported being circled, and a Cayucos lifeguard’s board was bit while surfing there in 1982. |||||
Student:
A surfer was hospitalized after a shark pulled him underwater in California. Witnesses at Montaña de Oro State Park say the victim was one Kevin Swanson, 50; the attacker, according to a park ranger, was an 8- to 10-foot juvenile shark, the San Luis Obispo Tribune reports. "It was really radical," says a fellow surfer. "I was about 10 feet from him, and it was absolutely quiet." The shark, witness Andrew Walsh continues, "came straight up out of the depths and got him and took him under the water. That was the amazing part: this big giant side of the shark just curving up out of the water." After a few seconds, Swanson reappeared, shouting "shark attack!" and hurrying toward the shore, Walsh says. Swanson had been bitten on the hip and leg. Fortunately, two doctors were walking on the beach, Walsh says, and they were able to help the surfer, who made a tourniquet with his surfboard's leash. A friend of Swanson's who witnessed the incident identified the shark as a great white, surfline.com reports, adding that surfers in the area have run into sharks several times in the past. (Another surfer's life may have been saved recently thanks to a shark-punching friend.)