Griesheim (dpa / lhe) – An unknown robbed a gas station in Griesheim (Darmstadt-Dieburg district) early Monday morning. According to police, the man threatened an employee with a gun while he had cash packed in his pocket. Before the robber fled the scene, he tied up the employee. He was able to free himself quickly and dialed 911. It was not immediately known how much money the perpetrator stole. The police began the search for the fugitive and are looking for witnesses to the incident.