There's been lots of reports in the news in the last couple of years of how UK police are using section 44 of the Terrorism Act to stop peaceful protests and anything else they don't like. The video below is a great example of how to deal with overzealous police. The bottom line is KNOW YOUR RIGHTS!

The 'Love Police' dealt with this situation perfectly by knowing the law and understanding the extents to which the police can exercise their powers.

[youtube https://www.youtube.com/watch?v=r9bfmW3iMqk&hl=en_GB&fs=1&&w=560&h=340]

[youtube https://www.youtube.com/watch?v=CLL5VOpOSjQ&hl=en_GB&fs=1&&w=560&h=340]