We will probably never know the full reason for intervention.

I would not be here if it hadn't been for his intervention.

All these factors had to come together at the same time for intervention to take place.

Officials talked of little but the need for foreign military intervention.

The only difference that stood out was the need for further intervention.

I should like to focus on the individual areas for intervention, starting with medical research.

Many of you thought I was asking for foreign intervention.

"The first three and a half years, I never would have come out for intervention," he said.

Of course, there is a time and place for medical interventions.

"They have a right to ask for your intervention," he said.