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    10 Reasons Why Water Cannon Are A Bad Idea

    The Mayor of London, Boris Johnson, has written to the Home Secretary asking her to licence water cannon for use of the UK mainland for the first time. Before Theresa May makes her decision and gives the final green light here are just 10 of the reasons why water cannon are a bad idea.

    1. They can blind

    2. Even worse: they can kill

    3. Water cannon are as much use as a chocolate teapot

    4. The public don't want them

    5. Some of the Mayor’s own team don’t want them

    6. Water cannon doesn't stop a riot

    7. Police see them being used in protests against austerity

    8. They will deter people from peacefully protesting

    9. They damage trust in the police

    10. They are a waste of money