Intense thunderstorms swept across Poland on Sunday, prompting over 1,500 interventions from firefighters as of 9 PM local time. The majority of these emergency responses were concentrated in the Wielkopolska region. The fire department reported particularly challenging conditions in Ełk, where heavy rainfall caused widespread flooding throughout the city. Interventions included pumping water from flooded basements and responding to storm-related damage. Authorities have not yet reported any injuries. The scale of the storm has placed a significant strain on emergency services across the country. Further updates are expected as assessments continue.