A Fond du Lac man accused of threatening an ex girlfriend with a gun at a nail salon has been charged. Nineteen year old Jerry Yang is charaged with recklessly endangering safety, carrying a concealed weapon without a permit and disorderly conduct with a dangerous weapon. Bail was set at $25,000 cash. Police say the incident occurred Friday August 28th when Yang entered the Sky Nails Salon near the Festival Foods grocery store, displayed a weapon and made suicidal comments. According to a criminal complaint Yang and his girlfriend who works at the nail salaon had broken off their relationship earlier in the day.