The police are required by law to have grounds to use reasonable force. They are not premitted to use it randomly, excessively or unneccessarily.I imagine the police were there because it was their job to protect the Israeli Embassy from damage and its occupants from violence. The police are empowered to use force in the course of their duty. On the other hand, protesters are not empowered to use violence in the furtherance of their aims and will likely meet a robust police response if they do.
Members of the public (ie anyone) are allowed by law to use reasonable force to defend themselves if necessary.
Quite rightly.
Presumably to the answer to "Were you there?" is "No, I was not there".
