• London hub sees 10pc jump in rerouted transit passengers; Mideast routes plunge by half as Asia, Africa traffic soars • Spike in jet fuel prices triggers widespread fare, fee increases; airlines ground flights, overhaul schedules LONDON: Heathrow Airport in London saw a 10 per cent surge in transit passengers in March as a US-Iran war forced the closure of major Middle Eastern airspace, redirecting global air traffic through Europe, the airport announced on Monday. Total passenger numbers a...