War and armed conflict — Nuclear weapons — Whether possession and deployment of nuclear weapons contrary to international law — Whether constituting a threat to use force — Damage to property used in connection with deployment of nuclear weapons — Whether damage would be justified if deployment of nuclear weapons unlawful under international law

Relationship of international law and municipal law — Customary international law — Customary international law forming part of the law of Scotland — Whether content of customary international law can be proved by evidence — Whether customary international law capable of providing defence in criminal prosecution — The law of Scotland