PHILADELPHIA - A South Philadelphia attempted robbery ended with at least one shot fired and a suspect on the loose early Monday morning.Police responded to a robbery in progress at a 7-Eleven on the 1000 block of Washington Avenue just before 3 a.m.A woman armed with a handgun fired a shot at a 30-year-old employee after telling them not to move, according to authorities. MORE HEADLINES:The female suspect then fled in a white van without any stolen items or money.No injuries were reported., and no arrests made.