Authorities received the report after 7 p.m. on September 6. A resident of the ten-story block on Jana Pawła II Street heard a humming noise in the corridor and apparently took it to be a gas leak. One fire engine, one police car and the gas emergency service are at the scene. The services are trying to confirm whether such a leak occurred.
Update: 7:47 p.m., 06/09/21
No gas leak was confirmed. The alarm turned out to be false.