Overview
- The victims — Rosmel Saúl Quispe Mendoza, Rosalino Valentín Loa Huayta, Jairo Núñez Pérez and Antolín Huansi Pizango — died after three men descended to reach a missing colleague and were overcome, reportedly by lack of oxygen or toxic gases.
- The bodies were recovered in the early hours of October 29 and taken to the Unidad Médico Legal in Nazca for necropsies.
- The Fiscalía Mixta de Lucanas, led by prosecutor Dany Wilfredo Peralta Arango, opened investigations for homicide simple and homicide culposo and ordered witness statements, a mine inspection and autopsies.
- Local accounts describe a 60‑meter shaft with a strong odor located on October 28 following a social gathering on October 25 where alcohol was reportedly consumed, details that remain under verification.
- Families are urging Sutrami S.A. to pay for the repatriation and funerals as authorities examine compliance with ventilation and safety protocols at the Santa Filomena site.
 
  
  
 