Hong Kong, April 8 -- The International Civil Aviation Organisation (ICAO) has issued an "urgent call" for more member states to ratify the 2014 Protocol for management of unruly passengers. Read More Forty seven member states have ratified the Protocol to Amend the Convention on Offences and Certain Other Acts Committed on Board Aircraft (MP14) since it was adopted in 2014. "On the 10th anniversary of MP14, it is crucial that member states reinforce their commitment to safe air travel by ratifying this essential treaty," ICAO Council president, Salvatore Sciacchitano, said. "The global spike in unruly passenger incidents is not just a matter of passenger comfort. It is a safety and security risk that requires an immediate, coordinated resp...