Its location had been secret, to prevent magical sabotage by a rival village, and was announced only just before the start.

To prevent sabotage, the bridge was heavily guarded by Union troops stationed along its length.

The objective was "to prevent enemy infiltration and sabotage".

To prevent sabotage during the wars, it was guarded by soldiers.

They assist in keeping their places of work intact and prevent sabotage with use of lethal force.

Tight computer security will prevent any accidental breakdowns and sabotage.

The Americans use the same system, and for the same reason, to prevent sabotage.

The patrol was to enforce curfew and prevent sabotage, which was becoming a problem.

Sus law could be reinstated or more tightly enforced to prevent sabotage.

They were reinforced with concrete blocks big enough to stop a tank, apparently intended to prevent sabotage by guerrillas.