Just like we're working hard to prevent a further attack.

Then you can start treatment right away to help prevent an attack.

Attention must turn to the future and how to prevent further attacks.

But the police on the street were trying to prevent attacks.

Did your doctor tell you how to prevent heart attacks?

And it's hard to prevent attacks when you're that open.

This can also be done every night before you go to sleep to prevent attacks.

There is no way currently to prevent such an attack.

As they put it, we need to be lucky all the time to prevent attacks.

Another way to prevent attacks is to stop the terrorists ahead of time.