Germany Frankfurt shopping center loud bang suspected to be caused by fireworks

On the afternoon of November 1st local time, a loud noise was heard in a shopping center in Frankfurt, Germany, causing panic among the crowd. After about two hours of investigation, local police have come to a preliminary conclusion: fireworks debris was found in the shopping center, and the loud noise is suspected to have come from the ignition of fireworks. There were no traces of firearms found at the scene. The alert has now been lifted, and the people trapped in the shopping center are being evacuated one by one.