Front door damaged with fireworks

On Sunday night, October 20, at around 00:30 a.m., unknown persons threw a firework at the front door of a house on Krankenhausstraße. The front door was damaged by the explosion.
Who has made observations that could be connected to the crime? The criminal investigation department of the police in Erkelenz is responsible, telephone 02452 920 0. You can also provide information via the Heinsberg police website or via the direct link: https://polizei.nrw/artikel/anzeige-hinweis.