JOHANNESBURG – The KwaZulu-Natal Education Department said it has warned Roseville Secondary pupils against staying away from school after pupils demanded a designated smoking area on school grounds.Last week, pupils missed two exams and forced the school to shut down.But the department said they intervened following the protest.Spokesperson Kwazi Mthethwa said: “We will not allow this in our schools. It was never going to happen and we’re happy that teaching has resumed.”