Excerpt:

Scotland Yard is investigating whether a man stopped by police outside the Houses of Parliament was draped in an Islamic State (IS) flag.

Officers spoke to him on Saturday, but he was found not to be breaking any law and was not arrested.

The Met's chief, Sir Bernard Hogan-Howe said: "It may not have been the flag. But I would like to get to the bottom of it and we will investigate it."


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