1.   Although the Iranian media portrayed the demonstration as a spontaneous eruption of anger, Teheran residents said the show was stage-managed.

2.   Dangerous as they may look on CNN, such demonstrations are often staged events by political parties rather than spontaneous eruptions of public anger.

3.   For reasons that may well be inexplicable, there has been a spontaneous eruption of duct tape expression in North America in the last few months.

4.   In Memphis, the building is a spontaneous eruption.

5.   Stores are being sacked in spontaneous eruptions of anger and frustration.

6.   The defense team doctors argued that the infant had a spontaneous eruption in his brain that day, a result of an old injury.

7.   The notion of collector jeans emerged not from some well-planned corporate strategy but from a spontaneous eruption in the marketplace.

8.   There also are times when it seems more a manufactured object than a spontaneous eruption of conflicting emotions.