1.   Troops were brought in to quell the unrest.

2.   Troops eventually quelled the unrest.

3.   Abubakar, trying to quell the unrest, Wednesday spoke of the importance of democracy and restoring the integrity of the military, an encouraging but insufficient step.

4.   He was later criticized by a state investigative committee for his delay in calling out the National Guard to quell the unrest.

5.   Mobile police units fanned out across Lagos on Thursday to quell unrest.

6.   Passage of a new security law last week by the outgoing legislature giving the military new powers to quell unrest has sparked violent student protests.

7.   Police chief Augustine Chihuri, quoted by state radio, said security forces were placed on full alert Tuesday and they were taking strong measures to quell the unrest.

8.   Police used tear gas and batons to quell the unrest during street clashes Monday and Tuesday.

9.   Party leader Edward Seaga said Monday he wrote Prime Minister P.J. Patterson proposing a meeting on Friday that might quell the unrest.

10.   Police chief Augustine Chihuri, quoted by state radio Tuesday, said security forces were placed on full alert and were taking stern measures to quell the unrest.