If he had taken bullets, they failed to stop him.

If anyone fails to stop, they are out or must return to the starting line.

He provoked the whole thing, and I failed to stop it.

It has been accused of failing to stop the violence.

The war belongs to all who failed to stop it.

After killing a young woman, the military was called in, but failed to stop Iris.

Now, whoever it was is still out there because your men failed to stop them!

But let's say he did know and failed to stop it.

But it would be better for all concerned if he failed to stop the photographer.

An unarmed man shot dead by police when he failed to stop his car.