face the troubles physically
They deny from demands of hijackers may be the cause of murders of people. We can say that that through hijacking people can face the troubles physically and economically which is the cause of great trouble.
internet may be very dangerous
The use of internet may be very dangerous to the people in many miss uses. The plane highjacks incidents are done with the help of internet uses by sitting from large distance. By highjacks hijackers can blackmail the relatives of people in the people and can demand of large amount.