To be clear, they're escorting the 'crowd' to the Israeli embassy for a democratic (feel free to laugh) protest.
From Trafalgar Square, no less. (As opposed to Gaza, Somalia...Tripoli.) Poor Nelson, we need to show him a new "most bold and daring act of the age."
Even back then they saw the truth:
"there is but one language which can be held to these people, and this is terror." -William Eaton