KHOTANG: A boy was killed and two other seriously injured when fire broke out on a haystack in Lafyang -5 on Thursday. According to District Police Office Khotang, 4-year-old Panchabir Rai, son of Shyambarna was killed in the incident. Seriously hurt 6-year-old Lal Bahadur and 8-year-old Majhakiant have been airlifted to Kthmandu for treatment. The police speculated that the incident occurred when kids accidentally kindled fire in hay while playing.