特别是违反《世界人权宣言》第七条以及《公约》第一、第二和第二十七条的歧视造成的。因此，逮捕和拘留这批学生具有任意性，属于第五类。
particular article 7 of the Universal Declaration of Human Rights and articles 1, 2 and 27 of the Covenant. The arrest and detention of the members of the group of students are therefore arbitrary under category V.