As Tehran signalled that Beijing could serve as a diplomatic broker in its intensifying war with the United States and Israel, analysts cautioned that the Saudi-Iranian rapprochement of 2023 could prove “hard to replicate”. They also highlighted the difficulty of Washington accepting third-party mediation, after US President Donald Trump confirmed that a planned meeting with Chinese President Xi Jinping in Beijing would be delayed by “five or six weeks” because of the armed conflict. Beijing has...