這些都是中國法律。
而英美警察的用槍條例則更加明確簡單，（也更致命）。
下面是英國警方的用槍條例：
CHAPTER 5 - USE OF FIREARMS 2. CIRCUMSTANCES WHEN WEAPONS MAY BE FIRED
2.1 Firearms may be fired by AFOs in the course of their duty only when absolutely
necessary after traditional methods have been tried and failed or must, from the
nature of the circumstances, be unlikely to succeed if tried.
2.2 Police should not normally fire warning shots. There are serious risks associated
with the firing of such shots, which have the potential to cause unintentional death
or injury. They may also lead a subject or other officer to believe that they are
under fire. (Warning shots are not permitted in Scotland)
2.3 An officer will only be justified in resorting to the discharge of a warning shot(s) in
the most serious and exceptional of circumstances, where failure to do so would
result in the loss of life or serious injury. Police officers who discharge a firearm
under any circumstances must give full consideration to public safety.
2.4 The test of using 『force which is no more than absolutely necessary』 as set out
in Article 2 (2) of the European Convention on Human Rights, should be applied in
relation to the operational discharge of any weapon.
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