Overview

• An explosion occurred on May 3, 2025, in a barn in Undenheim, south of Mainz, severely injuring the owner as he cleared out the space.
• Police identified the explosive material as triacetone triperoxide (TATP), a highly volatile compound linked to past terror attacks and ATM bombings.
• Officials have ruled out any terrorist motive behind the incident and confirmed there is no danger to local residents.
• The injured man remains hospitalized while authorities investigate how and why the explosive was present in the barn.
• TATP, often called the ‘Mother of Satan,’ is known for its instability and destructive power, prompting heightened forensic scrutiny.