A dramatic incident unfolded in Rickenbach LU on Thursday when a building facade collapsed following a dust explosion and subsequent fire.

The building, belonging to a meat and dairy product manufacturer, suffered significant damage.

A 42-year-old individual was severely injured and airlifted to the hospital, while a 56-year-old sustained minor injuries but did not require hospitalization.

Eyewitnesses described the event as "explosive," with loud noises and emergency services swiftly arriving on the scene.

The cause of the explosion is under investigation by the Lucerne police and the Sursee public prosecutor's office.

Emergency services, including the Michelsamt fire brigade and a rescue helicopter, were deployed to manage the situation.