A 30-year-old woman was shot during an armed robbery in Munhall.The incident happened a little before 11 p.m. Monday night on the 3900 block of Main Street.Allegheny County police said the woman was outside of a home when she was approached by a man who was wearing a ski mask and had a gun and was demanding money.After a brief altercation, the man shot the woman in the leg and ran off.The woman was stable when she was taken to the hospital.Police described the suspect as a thin man, about 5 feet, 5 inches tall.As of Tuesday morning, no arrests had been announced.