The incident took place around 9am when a man entered the office and started shooting, instantly killing a client who happened to be in the office and wounding a security guard, who later died in a hospital.
It was not immediately clear how much money was stolen. The police launched an investigation, sealing off the town and interviewing dozens of people.
According to the information gathered by the police, the perpetrator was a man of strong build, about 180cm tall, wearing dark trousers and a dark blue sports vest.