State immunity — Attachment and execution — Garnishee order in respect of bank account — Ownership of debt — Whether property of Commission of European Communities

Relationship of international law and municipal law — Treaties — Whether giving rise to private rights under municipal law — Lomé Convention — English law of trusts — Whether relationship between sovereign entities governed by international treaty capable of giving rise to trust under English law — Whether European Commission having equitable interest in funds granted to State under Lomé Convention — Funds subject to garnishee order to satisfy judgment debt of recipient State — Whether attachment of funds would interfere with any equitable interest of Commission — The law of England