Two men were found unconscious at a nursery construction in Ostrołęka; one died, the other hospitalized in critical condition.
Investigation Underway
The District Prosecutor’s Office in Ostrołęka is conducting proceedings following an incident at a municipal nursery construction on Mazowiecka Street on January 17, 2026. 68-year-old Marek F. died, while 67-year-old Andrzej Ł. remains hospitalized in serious condition.
What Happened
The men were supervising plaster drying work inside the building when they were found unconscious. After 3 PM, Mariusz B. discovered them lying on the floor in a corridor. Emergency services confirmed Marek F.’s death and transported Andrzej Ł. to hospital.
Possible Cause
Prosecutors preliminarily excluded third-party involvement in the incident. They secured two gasoline-powered generators and suspect carbon monoxide poisoning as a possible cause of death. An autopsy will be performed to determine the exact cause.
Current Status
The investigation continues under the supervision of the District Prosecutor’s Office. Andrzej Ł. remains in the Intensive Care Unit at Ostrołęka Hospital. Police are working to determine the exact circumstances of the incident.



