The international community has accumulated sufficient evidence to be on the alert.

The imminence of the asteroid’s route towards the Earth will alert all of humanity.

The imminence of the asteroid’s route towards the Earth will alert all of humanity.

The imminence of the asteroid’s route towards the Earth will alert all of humanity.

I have called the armed forces to alert, and there is a reason.

I’ve called the Armed Forces to alert, and there is a reason.

I've called the armed forces to alert and there is a reason.

I've called the Armed Forces to alert, and there is a reason.

I’ve called the Armed Forces to alert and there is a reason.

I’ve called the armed forces to alert and there is a reason.

I've called the Armed Forces to alert, and there is a reason.

I’ve called the Armed Forces to alert, and there is a reason.

After all, the cultivated person’s first duty is to be always prepared to rewrite the encyclopaedia.

The cultivated person's first duty is to be always prepared to rewrite the encyclopedia.

The Iraqi prime minister called on the security services to be "on the alert, because terrorism wants to exploit any event.