The policeman is investigating the scene of the traffic accident.

This festival is held every year.

He always works at nighttime.

The police officer is doing a night patrol.

The police officer patrols this area every night.

The patrol car was patrolling the street.

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

The mayor issued a curfew at night due to an emergency.

Well then, I'm off.