1.   Soldiers intervened to prevent further bloodshed.

2.   The army will have to intervene to prevent further fighting.

3.   The security forces had to intervene to prevent the situation worsening.

4.   The Doctor had no intention of intervening to prevent further loss of life.

5.   The law should intervene to prevent the deficiencies of a house from severely impairing the ability of the occupants to make a home...

6.   Shadow Trade Minister Robin Cook says the Government should intervene to prevent the list turning into a dossier of disaster.

7.   Already, President Bush is poised in at least one case to intervene to prevent a strike.

8.   American intelligence officials were no longer certain Milosevic would intervene to prevent an attack on the Krajina Serb regions in central Croatia, a view the Croats shared.

9.   Army troops generally did not intervene to prevent the looting.

10.   Bush already has intervened to prevent a strike by Northwest mechanics and has said he will not allow an airline strike this year.