1. Every person has the right to life and corporal integrity.
3. Deprivation of life shall not be regarded as inflicted in contravention of this Article when it results from the use of force which is no more than absolutely necessary -
(a) in defence of person or property against the infliction of aproportionate and otherwise unavoidable and irreparable evil;
(b) in order to effect an arrest or to prevent the escape of a person lawfully detained;
(c) in action taken for the purpose of quelling a riot or insurrection.