Yes, Suspension of civil liberties is justified in some situations.
Step-by-step explanation:
Civil Liberties are most important to people as it protects us every basic right. Even though in some sort of situation temporary suspension of certain basic rights in OK.
For example, If any attacks had done in our country the government takes some necessary actions to control and find some disturbance causers.
So the government will put or gives some order to the people how to act and how to stay. Under certain circumstances people should follow the say of government otherwise it will cause danger to people only. hence the suspension of certain civil liberties under certain circumstances justified.