DAMAULI: A nine-year-old boy died while his mother and brother were injured after they were stung by hornets in Vyas Municipality-3 of Tanahun district on Monday. Along with her sons Sunita Mishra (25) had gone to the nearby forest to collect grass when a swarm of hornets attacked them yesterday afternoon. Critically injured Sunita and her oldest son Prasanna were rushed to the Pokhara-based Manipal Teaching Hospital for treatment. Prasanna, however, breathed his last at the hospital yesterday afternoon. Sunita's youngest son Pralosan has been discharged from the Damauli Hospital.