The victim already has a protective order against the suspect and reported that she has been persecuted for around seven years.
The act of violence was captured by security cameras.
The owner of the establishment, who was nearby, managed to escape unharmed after running away upon noticing the threat.
The Military Police recorded the incident as stalking, damage with the use of explosives and failure to comply with protective measures.
The victim already has a protective order against the suspect and reported that she has been persecuted for around seven years.
She also receives support from a patrol specialized in domestic violence in the city.
The explosive damaged a potted plant on the front of the pet shop.
The Civil Police experts were at the scene and collected fragments of the explosive for analysis.
The Civil Police reported that the case is under investigation and that, to date, no suspects have been detained. The Military Police continue to search for the person responsible.