1.   But students in Tehran and a few provincial cities boycotted classes Wednesday and held on-campus demonstrations.

2.   Students boycotted classes.

3.   The problem starts in schools, where exam results are poor, not least because a whole generation of students boycotted classes to protest against apartheid.

4.   Thousands more boycotted classes across the country in the biggest displays of student anger in more than two decades.

5.   Thousands more boycotted classes across the country.

6.   But students, who have boycotted classes for almost three months, said they will continue their protests until Velickovic resigns.

7.   He said students would boycott classes until campus security measures were tightened and Omole sacked.

8.   He said for the time being students are not boycotting classes.

9.   Herbal medicine students have been boycotting classes off and on for two years.

10.   However, students, who have boycotted classes for almost three months, said that they will continue their protests until Velickovic resigns.