PHILADELPHIA - Philadelphia police say they are investigating a sexual assault and robbery inside a Center City store.Authorities say the incident occurred inside the women's room restroom at the Macy's Store on the 1300 block of Market Street over the weekend.According to police, the 55-year-old victim was attacked inside a bathroom on the third floor.The suspect was said to be wearing a mask and hood at the time of the incident.Anyone with information about the incident is asked to contact police.Advertisement___DOWNLOAD: FOX 29 NEWS APPSUBSCRIBE: Good Day Digest Newsletter | FOX 29 Philly on YouTubeFOLLOW: Facebook | Instagram | Twitter .