When police disrupted the protest at Trafalgar Square, they did so just after Dr. Heiko Schöning took the stage. They allowed everyone else to speak, but were terrified of letting the doctor speak, and telling the people the truth about the Covid Hoax coming from a doctor and his thousands of colleagues, because they could not spin that, or ridicule him as a conspiracy-theorist like with David Icke and others.
This is Heiko with Robert F. Kennedy Jr in Berlin:
He is associated with "Doctors for Enlightenment", an organization of thousands of doctors and medical-experts, and that's why they are afraid of him speaking to a large audience, publicly and via video over the Internet.
Here is footage of him being arrested at Hyde Park. Thus proving that they are absolutely terrified of people hearing the Truth, so they arrested him before he could address the audience.
Anna Brees interviewed Dr. Heiko Schöning before the protest. The link is featured above. At 6:50min, Anna Brees introduces herself to Dr. Schöning who agrees to speak with her. He said he was also one of the founders of Doctors for the Truth. Here is the link again:
Please listen to what he told Anna. He mentions a very informative website: https://acu2020.org which is available in several languages.
He is also part of the Corona Whistle Blowers: http://coronawhistleblower.org/