Like my hon. Friend, I pay tribute to the Sultan of Oman for his incredible track record of service to his country, and we look forward to working with the new Sultan and the Government of Oman on all those issues. My hon. Friend is absolutely right to condemn the taking of dual nationals into detention. The taking of Nazanin and of all the UK dual nationals is groundless. Their treatment has been well below the standards that we would expect. Fundamentally, they should all be released without condition. This is part of the pattern of unlawful behaviour that Iran needs to correct if it wants to come in from the international cold.