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

The government issued a curfew to prevent the spread of the new coronavirus.

What is the reason he was late?

The mayor attended the opening ceremony of the new park today.

He always works at nighttime.

The government has issued a state of emergency.

The government has officially announced a state of emergency.

In order to resolve this situation, everyone's cooperation is necessary.

This is an urgent problem.

An emergency has occurred, so please take action immediately.