1.   By Arizona law, Symington has no authority to intervene to halt an execution without a recommendation from the Board of Executive Clemency.

2.   Clinton did intervene to halt a strike by pilots against American Airlines in February, minutes after the walkout began.

3.   The NATO alliance intervened to halt a brutal crackdown by Serb troops and police trying to end an uprising by ethnic Albanians in the southern province of Kosovo.

4.   The president had intervened to halt a strike by pilots at American Airlines last year.

5.   There were plenty of good reasons to intervene to halt mass killings in the Balkans, but the soaring markets made these and other interventions much easier.

6.   Twice he has intervened to halt the kind of bloodshed that has destablized other Asian nations.

7.   Players and other volunteers intervened to halt the fracas.

8.   Feinstein had appealed to Israeli Prime Minister Benjamin Netanyahu to personally intervene to halt the exports.

9.   Islamic leaders and elders in north Mogadishu were trying to intervene to halt the fighting, witnesses said.

10.   Several dozen English fans showered the youths with bottles, and police intervened to halt the clash.