Excellent. This is a fine example of what the Police should be doing, nicking nutters who quite obviously pose a threat to those around them.
However what's this all about?
Pc John Dunwell, of the Metropolitan Police, said: "Having risk-assessed the situation, I felt it was necessary to confront the man before he hurt himself, or someone else.
Oh puhlease... I risk-assessed the situation? Even when they are doing the right thing Plod can't help themselves from sounding like the Government drones they appear to be.