Ratanakiri (FN), Dec. 30 - 50 students from Hun Sen High School in Rattanakiri province fainted without any identified reasons and were sent to Rattanakiri Referral Hospital immediately.
Last week, 5 students fainted and were sent to the hospital but the doctors found no symptoms.
According to the belief, the monks asked the parents to gave wine to ancestor to ask for happiness. At the end of the ritual, 50 students fainted.
The fainted students said that they saw a guy with blood walking into the classroom, and they were shocked.
However, after checking the room, the doctor claimed that there was lack of hygiene and oxygen.
=FRESH NEWS