The protest in France against Macron's raising of the retirement age was a principled act of dissent, and there is no evidence that participating in it suggests

The protest in France against Macron's raising of the retirement age was a principled act of dissent, and there is no evidence that participating in it suggests any plans for terrorism on British soil. Therefore, it is a violation of those principles for the British police to ask a French woman to show them the contents of her phone or computer simply because she attended the protest.