I went to the police station yesterday.

Police dogs are very effective in tracking criminals.

He was terrified of living in a police state.

The head of the police station explained the details of the incident to the press.

He was caught by the secret police.

A municipal police was established in my town.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The government declared a state of emergency to prevent the spread of the new coronavirus.

The Special Higher Police was a police organization that was active in pre-war Japan.

He is working as a member of the International Criminal Police Organization.