11.   Soon afterwards, students boycotted classes to protest poor teaching conditions and allowances paid by the government.

12.   Some vowed to boycott classes until the arrested strikers are freed from jail.

13.   Students have boycotted classes and staged more protests in recent weeks.

14.   Students at the Polytechnic University in Tirana boycotted classes Tuesday in solidarity with students who began a hunger strike last Thursday in the southern port city of Vlora.

15.   Students at the Polytechnic University in Tirana boycotted classes Tuesday in solidarity with students who began a hunger strike last Thursday in the southern port of Vlora.

16.   The students boycotted classes Thursday and Friday to protest the upgrading of the college, formerly a constituent of the University of Dar es Salaam, to a university.

17.   The students of Chittagong University also boycotted classes after the incident.

18.   They have boycotted classes and staged more protests in recent weeks.

19.   Through the years, students periodically boycotted classes and schools in black townships were damaged or destroyed.

20.   For their part, students at the University of Tirana on Wednesday boycotted their classes in solidarity with their Vlore counterparts.