1.   The arrival of armed police made the students disperse.

2.   Television reports Friday evening said that the police and soldiers had returned to their barracks and that the students were dispersing.

3.   With everything finally in place, Selesnick snapped the shutter and the students dispersed while the next shot was organized.

4.   Wounded, Donis retreated into permanent seclusion and his students dispersed to their villages, Mexico City, America and Europe.

5.   Police blocked their way and the students dispersed.

6.   A police officer, who spoke on condition of anonymity, said security forces wanted the students to disperse and would not negotiate with them.

7.   No clashes with police were reported, and the students dispersed after two hours.

8.   The students also dispersed.

9.   The students dispersed early Friday, but said they would be back Saturday.

10.   The students dispersed only after military personnel and traffic police officers, who happened to be patrolling the area, arrived on the scene.