State immunity — Jurisdictional immunity — Claim for damages arising from alleged torts committed by Commissioner of Police and police officer — Whether State immunity extends to Commissioner of Police and police officer not subject to orders of Government but executing general State policy of keeping law and order and preserving the peace

Relationship of international law and municipal law — Treaties — European Convention on Jurisdiction and Enforcement of Judgments in Civil and Commercial Matters, 1968 — Whether order permitting service out of jurisdiction in respect of action within scope of Convention valid where procedure established under Convention not followed — The law of Ireland