How else could she have been, so suddenly attacked by three men in the night?

I stayed on guard, in case she suddenly attacked me.

To suddenly attack his country is not right under heaven.

Where does the need to attack so suddenly come from?

He closed his eyes for a moment, as if a flash of pain had suddenly attacked him.

Here I insisted upon going first with the rifle, in case we should be suddenly attacked.

The island is then suddenly attacked by a horde of men.

The group is then suddenly attacked by a pair of infected tigers.

Situation: You are hiking in the mountains with your best friend, when he is suddenly attacked by a bear.

They are suddenly attacked, however Billy manages to escape with the film.