Extradition — Political offence — Definition — Whether political offence exception limited to acts committed during uprising — Northern Ireland — Activities of Provisional Irish Republican Army (“PIRA”) — Whether political offences — Political offence exception excluding acts of international terrorism — Requirement that offences be committed within geographical scope of uprising — Whether PIRA activities in England sufficiently closely connected to troubles in Northern Ireland — Whether application of political offence exception a matter for the courts or the Executive — United Kingdom-United States Extradition Treaty, 1977 — Interpretation — Whether political offence questions justiciable

Extradition — Speciality — Allegation that extradition request a subterfuge to enable requesting State to prosecute accused for a political offence — Whether a matter for the courts or the Executive

Relationship of international law and municipal law — Act of State and justiciability — Justiciability of foreign relations questions — Political offence exception in extradition proceedings — The law of the United States