Frankfurt/Main (dpa/lhe) – During a robbery at a restaurant in Frankfurt, two perpetrators threatened an employee and two guests with a knife and an ax. The strangers tied up the 46-year-old employee and the visitors and stole money from the register, cash from the guests and mobile phones early Tuesday morning, the police said. In total, the duo, masked with balaclavas, stole 2,000 euros in addition to two smartphones in the Bornheim district and was able to escape.