Historian Tom Holland's Channel 4 film Islam: The Untold Story sparked more than 1,000 complaints when it was broadcast.
Holland was threatened online with a torrent of abusive messages on Twitter.
A Channel 4 spokeswoman said: "Having taken security advice, we have reluctantly cancelled a planned screening of the programme Islam: The Untold Story. We remain extremely proud of the film which is still available to view on 4oD." [telegraph.co.uk] Read more
