A search is underway in Markach, Poland, for 71-year-old Kazimierz Niewiarowski, who went missing during a cycling race on Sunday. The Poland Bike Marathon organizer confirmed authorities – including police, firefighters, and the military – are searching a forested area near the race route. This search follows the death of another cyclist who collapsed and died before finishing the same race. Details surrounding the cause of death have not yet been released. The incident occurred during the Poland Bike Marathon event. Authorities are continuing efforts to locate Niewiarowski and investigate the circumstances of both incidents. The race has been suspended pending further investigation.