Self-defence is also a valid defence to trespasses against the person, assuming that it constituted the use of "reasonable force which they honestly and reasonably believe is necessary to protect themselves or someone else, or property".
The officer said he had used reasonable force.
The Met initially denied the claims, saying officers used reasonable force.
It was then a question of deciding whether the police used reasonable force.
If so, they could use reasonable force to defend themselves, the amount of force permitted being determined by Turkish law.
Detention centre staff who exercise force on asylum seekers must rely on common law defences to use reasonable force.
Homeowners are allowed to use "reasonable force" to get rid of squatters, though it is unclear what that means.
The new law removed the legal defence of "reasonable force" for parents prosecuted for assault on their children.
The concern of these laws is that the use of reasonable force is already protected under the common law.
