Hoax or bomb threats? What we know about flight disruptions across Europe

Flights across Europe have been diverted, grounded and escorted by fighter jets in response to a wave of bomb threats, marking a second major outbreak of false alerts in less than a week.On Thursday, planes departing from 16 countries, including Ireland, the United Kingdom, Spain and Denmark, were affected. Flights have either been forced to divert to alternate locations or undergo additional security checks. On Friday, the threats continued.Recommended Stories list of 3 itemslist 1 of 3One dead after two helicopters collide near Mount Everest in Nepallist 2 of 3Iran commander sets out five conditions for regional securitylist 3 of 3Bomb threats disrupt flights across Europe, no explosive devices foundend of listAuthorities have deployed bomb disposal teams and military fighter jets in several countries. So far, security inspections following threats have yielded no evidence of explosives or suspicious materials on board aircraft, and no passenger has reported being harmed.What happened?On Friday, a Ryanair flight landed in Lisbon, Portugal at 8am after a bomb threat was made by phone to the authorities, Italian media has reported. A security operation was mounted as soon as the pl...