Where is the footage of the suspect being kicked after being overpowered and disarmed?
The police had a man walking towards them pointing a knife at the, They had no way of knowing whether he had other weapons - including explosives - about his person, hence them shouting to secure his arm. They needed him absolutely unable to move or do anything.
So easy for armchair hippy fantastists like ZP to criticise the police for split second actions in the middle of a public in danger.
I have so many criticisms of the way the police act / have acted in certain situations but I suspect that in the heat of a very heated moment when your own life and the lives of people around you are potentially at risk you don't leave any margin for your target to get back up.
It's really brave to tackle people like this. He WAS struggling, even after being tasered. He could have had another knife, a detonator....