Detailed Instructions: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Problem:Story highlights Further tests on George Michael's body needed, police say 
  
 Star died on Christmas Day at age 53 
  
 (CNN) An autopsy on the body of pop star George Michael proved inconclusive and further tests will be needed, UK police said Friday. 
  
 The Grammy-award winning star, who was 53, was found dead at his home in Oxfordshire, England, on Christmas Day. 
  
 Thames Valley police, the local force, said a postmortem examination was carried out on Thursday, "The cause of death is inconclusive and further tests will now be carried out.," the statement said. "The results of these tests are unlikely to be known for several weeks." 
  
 In a statement shortly after his death, his manager Michael Lippman said he believed the singer suffered heart failure. His partner, Fadi Fawaz, said he found him dead in bed alone when he came to the house on December 24. 
  
 Thames Valley police said a file would be prepared for the Oxfordshire coroner. 
  
 Read More ||||| Five days after the shocking death of George Michael, the 53-year-old singer’s cause of death is still unknown. 
  
 According to a statement released by the Thames Valley police, a post-mortem examination as part of the investigation into Michael’s death carried out on Thursday was “inconclusive.” 
  
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 “The cause of death is inconclusive and further tests will now be carried out,” the statement reads. “The results of the tests are unlikely to be known for several weeks.” 
  
 “Mr. Michael’s death is still being treated as unexplained but not suspicious,” police add. 
  
 Thames Valley Police's statement on Post-mortem into death of George Michael pic.twitter.com/C5d0NM6jyC — Press Association (@PA) December 30, 2016 
  
 Michael was found dead in his home on Christmas Day. His rep told PEOPLE and Entertainment Weekly the “Last Christmas” singer had died of heart failure. Michael’s publicist confirmed the passed away “peacefully.” 
  
 As of Wednesday, fans and neighbors continued to gather outside the back of Michael’s house in Goring-on-Thames, Oxfordshire — leaving flowers, teddy bears, cards and photos piled up along its exterior wall. 
  
 To watch the full PEOPLE cover story on George Michael, go to www.people.com/georgemichaelcoverstory or download the PEN app on your favorite devices. To read more, pick up the latest issue of PEOPLE, on newsstands Friday. 
  
 Despite the stories of Michael’s admitted drug use and the rumors surrounding his sudden death, the crowd gathered had only positive memories about the former Wham! frontman and reluctant pop star and idol. 
  
 Michael (born Georgios Kyriacos Panayiotou) launched his music career in the 1980s as a band member of Wham! with childhood friend Andrew Ridgeley. The duo released hits including “Last Christmas,” “Wake Me Up Before You Go-Go” and “Careless Whisper.” 
  
 In 1987, Michael released his first solo album, Faith, which sold over 25 million copies and catapulted him into success. His second album, Listen Without Prejudice, Vol. 1 — which featured the song “Freedom ’90” — celebrated its 25th anniversary in September 2015. 
  
 In the days since his death, fans have also been streaming and buying his songs and albums at a rate not seen in Michael’s career in years, according to Forbes. Less than 24 hours after his death, Michael’s solo discography saw more than a 3,100 percent increase in plays on Spotify globally. 
  
 Michael had been working on releasing an album for next year with producer Naughty Boy, the BBC reported earlier this month. |||||
Solution:
Initial autopsy results on George Michael are in, and it looks like … we'll have to wait a little longer for insight into the singer's death. "The cause of death is inconclusive and further tests will now be carried out," according to a statement from Thames Valley Police, which added those new results may not be known for "several weeks," per CNN. A rep for the singer had told People and Entertainment Weekly that he died at the age of 53 of heart failure. The BBC notes that Michael's death is still considered unexplained but not suspicious. (What is conclusive: the singer's philanthropy.)