In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.

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 The WARC files associated with this crawl are not currently available to the general public. ||||| The National Transportation Safety Board will not reopen the 1996 crash investigation of Trans World Airlines Flight 800 despite a continuing fight to get the agency to consider whether a missile hit the plane, the agency announced Wednesday. 
  
 The documentary group TWA 800 Project, a collection of former NTSB investigators and scientists, petitioned the NTSB to examine evidence that they say shows an external force from something such as a rocket or missile brought the plane down. 
  
 Evidence presented by the group includes multiple eyewitness statements about a streak of light which appeared to be heading toward the aircraft before the explosion, members said. 
  
 All 230 people on board were killed when the Boeing 747 crashed off the coast of Long Island shortly after takeoff from John F. Kennedy International Airport on July 17, 1996. 
  
 After a four-year investigation, the NTSB concluded the explosion was caused by flammable fuel/air vapors in a fuel tank, possibly sparked by a short circuit. 
  
 The NTSB denied the group’s petition because it said the evidence and analysis it presented did not show the original findings were incorrect, according to a news release. 
  
 TWA Flight 800 allegation: Physics of explosion do not make sense PIX 11 News Closeup focuses on a new documentary about TWA Flight 800 on the 17th anniversary of its crash off Long Island. PIX 11 News Closeup focuses on a new documentary about TWA Flight 800 on the 17th anniversary of its crash off Long Island. See more videos 
  
 "Our investigations are never 'closed'," Christopher Hart, acting NTSB chairman said in the release. "We always remain open to the presentation of new evidence." 
  
 Tom Stalcup, a physicist and member of the TWA 800 Project, said he was "hoping the NTSB would do the right thing," but is not surprised. 
  
 "I mostly thought we would be rejected," he said. 
  
 Still, the fight is far from over, Stalcup said. 
  
 “This is not the end of the road by any means,” he said, but declined to elaborate on the group's next move. 
  
 Follow @theryanparker for breaking news ||||| The remains of the TWA Flight 800 from New York to Paris that exploded off Long Island, New York, reassembled from recovered wreckage, is on display at National Transportation Safety Board (NTSB) Training Facility in Ashburn, Virginia, July 16, 2008. 
  
 WASHINGTON (Reuters) - The U.S. National Transportation Safety Board said on Wednesday it will not reconsider its finding that the 1996 crash of TWA Flight 800 was caused by a fuel tank explosion. 
  
 Former NTSB investigator Henry Hughes has said he believes a bomb or a missile caused the Boeing Co 747 to crash into the Atlantic Ocean off New York's Long Island, killing all 230 people on board. 
  
 The NTSB concluded in 2000 that the jet broke apart and crashed because of an explosion in the center fuel tank, likely caused by faulty wiring. 
  
 "After a thorough review of all the information provided by the petitioners, the NTSB denied the petition in its entirety because the evidence and analysis presented did not show the original findings were incorrect," the agency said. 
  
 Hughes had petitioned the agency in June 2013 to reconsider its investigation, saying the initial probe was flawed. 
  
 "The witness statements, the physical evidence and other facts clearly show there was an explosion external to the aircraft, not the center fuel tank," Hughes told reporters last July. 
  
 He said the NTSB had discounted witness statements, radar data, explosive traces and holes in the fuselage that pointed to an external explosion such as a bomb or missile. 
  
 Hughes said he had raised these concerns years ago and subsequently was moved from the aviation to highway investigations before he retired. 
  
 The missile theory was one of many initially investigated by the U.S. government after a number of witnesses said they saw a streak of light move toward the plane before it crashed. 
  
 But the NTSB concluded that the witness descriptions of the streak of light were consistent with the crippled flight of the airplane after it had exploded at 13,700 feet (4,176 meters). 
  
 (Reporting by Eric Beech' Editing by Ros Krasny and Ken Wills) |||||
Last year, a group of former US investigators including former NTSB investigator Henry Hughes petitioned the NTSB to re-open the investigation into the 1996 crash of TWA Flight 800, but the agency yesterday announced it had "denied the petition in its entirety." The petitioners argued that the crash was not caused, as the NTSB concluded in 2000, by a fuel tank explosion, but rather was likely brought down by a bomb or missile. But the NTSB did a "thorough review" of the petitioners' information and found no evidence the original fuel tank explanation was wrong, Reuters reports. The NTSB notes that the investigators who looked into the petition were not associated with the original investigation, which remains "one of the largest transportation accident investigations in US history." Those investigators found that an analysis of radar evidence provided by the petitioners was flawed, and that witness summaries the petitioners provided from the FBI criminal probe of the crash—which ended in 1997 after finding no evidence of a crime—weren't much different from the witness summaries the NTSB reviewed at the time. The board also notes that the original investigation found no evidence of missile fragments. A member of the TWA 800 Project, the group behind the petition, tells the Los Angeles Times, "This is not the end of the road by any means," though he did not discuss possible next steps.