Watch: Police raid Columbia University over Gaza protests
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https://www.bbc.com/news/av/world-us-canada-68933598
Dozens have been arrested during a night-time operation at Columbia University in New York City.
Pro-Palestinian protesters had taken over an academic building 24 hours earlier.
The NYPD says both the building and the tent campus on the university’s lawn have been cleared.
US universities have been gripped by protests as students demand a boycott of companies and individuals with ties to Israel during the war in Gaza.