A Ryanair plane sits on Lisbon airport's runway behind a fence with a warning sign
A Ryanair aircraft at Lisbon airport in Portugal on Friday, from where a flight to Rome was affected by the latest threats. Photograph: Miguel A Lopes/EPA
A Ryanair aircraft at Lisbon airport in Portugal on Friday, from where a flight to Rome was affected by the latest threats. Photograph: Miguel A Lopes/EPA
Further bomb threats disrupt at least another 18 flights across Europe

All affected planes land safely after apparently continued and coordinated effort to cause chaos for travellers

A fresh wave of bomb threats has disrupted air traffic across Europe but the affected planes landed safely and searches revealed no explosive devices.