Travellers are paying double the usual airfare on Cathay Pacific Airways flights from more than 50 cities to Hong Kong as the Iran war drives up demand for routes that avoid the conflict zone, with London, Madrid and Chennai seeing the steepest surges, the South China Morning Post has found. The US-Israeli attacks on Iran and subsequent retaliatory strikes that spilled over into neighbouring Gulf states over the course of a week have forced much of the Middle East’s airspace to remain closed,...