Eight of the top 10 countries with the highest number of airline passengers have either grounded or closed their skies to Boeing Co's 737 Max, with the United States and Japan being the exceptions
The civil aviation secretary has been directed to hold an emergency meeting with all airlines to prepare a contingency plan to avoid inconvenience to passengers
This is the second crash involving the 737 MAX 8 in fewer than five months. Boeing is facing increased scrutiny over plane's safety and regulators are grounding fleet and ordering additional checks