State immunity — Jurisdictional immunity — Foreign Sovereign Immunities Act 1976 — Application — Non-commercial tort exception — Whether applicable — Entire tort rule — Attribution — Whether defendants immune from suit for damages and losses resulting from terrorist attack

Terrorism — Terrorist attack in United States on September 11, 2001 — Plaintiffs incurring damages and losses — Whether defendants immune from suit — Foreign Sovereign Immunities Act 1976 — Whether non-commercial tort exception applicable — The law of the United States