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Police have launched an investigation after several editions of the Koran were found in toilets on a university campus.
The holy books were discovered by a student using the bathroom facilities in the student union at the University of Texas at Dallas.
The school's authorities said the incident was “shocking” and “unusual” and that the university prided itself on its diversity and inclusivity.
Woman records furious Islamophobic rant in a London shop The news was broken by the campus newspaper, which is how many students found out about the incident.
"It's definitely saddening and a little disturbing as well," Mohammad Syed, president of the university’s Muslim Association, told NBC 5 . "It's something that we do not expect to happen, especially at this campus."
He added: "UT Dallas is a very welcoming environment and I have nothing but good things to say about it."
The student who discovered the books, Jonathan Schuler, said he was “appalled”.
"It made a lot of the hate I had been hearing and seeing on national news real, and very present," Mr Schuler said.
Activists Protest Racism And Hate In BrooklynShow all 15 1 /15Activists Protest Racism And Hate In Brooklyn Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: People participate in an anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch after it was defaced with swastikas on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message "Go Trump". Hundreds of people, many with their children, listened to community leaders and Beastie Boys member Adam Horovitz condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
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Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: People participate in an anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch after it was defaced with swastikas on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message "Go Trump". Hundreds of people, many with their children, listened to community leaders and Beastie Boys member Adam Horovitz condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
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Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: People participate in an anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch after it was defaced with swastikas on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message "Go Trump". Hundreds of people, many with their children, listened to community leaders and Beastie Boys member Adam Horovitz condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
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Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: People participate in an anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch after it was defaced with swastikas on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message "Go Trump". Hundreds of people, many with their children, listened to community leaders and Beastie Boys member Adam Horovitz condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
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Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: Children play on playground equipment that was defaced with swastikas during an anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message ÃGo Trump.Ã Hundreds of people, many with their children, listened to community leaders and Beastie Boys member Adam Horovitz condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
Getty Images
Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: Beastie Boys member Adam Horovitz speaks at a anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch after it was defaced with swastikas on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message ÃGo Trump.Ã Hundreds of people, many with their children, listened to community leaders and condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
Getty Images
Activists Protest Racism And Hate In Brooklyn NEW YORK, NY - NOVEMBER 20: A piece of playground equipment that was defaced with swastikas stands during an anti-hate rally at a Brooklyn park named in memory of Beastie Boys band member Adam Yauch on November 20, 2016 in New York City. On Friday, the park and playground was spray painted with swastikas and the message ÃGo Trump.Ã Hundreds of people, many with their children, listened to community leaders and Beastie Boys member Adam Horovitz condemn racism and intolerance. Following the election of Donald Trump as president, there has been a surge of incidents of racist activities reported. (Photo by Spencer Platt/Getty Images)
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Activists Protest Racism And Hate In Brooklyn A woamn takes a photo of messages and flowers left at a playground before a protest against racism and hate after swastikas were found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Activists Protest Racism And Hate In Brooklyn Activists protest racism and hate after swastikas were found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Activists Protest Racism And Hate In Brooklyn Activists protest racism and hate after swastikas were found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Activists Protest Racism And Hate In Brooklyn Activists protest racism and hate after swastikas were found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Activists Protest Racism And Hate In Brooklyn New York State Senator Daniel Squadron speaks as activists protest racism and hate after swastikas found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. The two remaining members of the Beastie Boys called for an anti-hate rally at the park in memory of band member Adam Yauch after it was defaced with swastikas. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Activists Protest Racism And Hate In Brooklyn Flowers left by activists at the entrance to Adam Yauch Park in Brooklyn, New York on November 20, 2016 after swastikas were found in the park. The two remaining members of the Beastie Boys called for an anti-hate rally at the park in memory of band member Adam Yauch after it was defaced with swastikas. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Activists Protest Racism And Hate In Brooklyn Messages and flowers left by activists at a playground protesting racism and hate after swastikas were found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. The two remaining members of the Beastie Boys called for an anti-hate rally at the park in memory of band member Adam Yauch after it was defaced with swastikas. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
AFP/Getty Images
Activists Protest Racism And Hate In Brooklyn Activists protest Racism and Hate after swastikas found in Adam Yauch Park in Brooklyn, New York on November 20, 2016. The two remaining members of the Beastie Boys called for an anti-hate rally at the park in memory of band member Adam Yauch after it was defaced with swastikas. / AFP / ANGELA WEISS (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Campus police are reviewing surveillance video from the day but "don't have too many leads”, according to Chief Larry Zacharias, the Texas Tribune reported.
But he said it appeared to be a “one-time, stupid incident”, a feeling reportedly mirrored by many students on campus.
Concerns have been expressed over a rising number of hate crimes in the US since Donald Trump won the election.
Mr Trump's campaign was criticised for being Islamophobic and researchers said his victory had "energised" the far right.