11일 전교조에 따르면 폭염 속에서 단식으로 하던 전 위원장은 사흘 전부터 심한 두통을 겪어 왔다.
According to the Korean Teachers and Education Workers' Union on the 11th, Chairman Jeon, who had been fasting amid the heat wave, had been suffering from severe headaches for three days.