Investigations have been opened into the death of a matric pupil in Kaalfontein, near Midrand, and subsequent fainting spells and looting at the David Makhubo High School.The boy collapsed in the schoolyard on Thursday, on the same day a memorial service was being held for a grade 10 pupil who had passed away due to illness on May 2, Gauteng education MEC Matome Chiloane said on Sunday.“Educators were promptly alerted by learners of this incident and despite the initial assumption that the learner fainted, the situation was grave. Emergency services were called and the learner’s…