A woman was robbed and cut with a knife during an incident on Madison’s east side Saturday night, police said. Three women were riding in a car when one of them — a woman known to the victim — pulled out a knife and demanded money and other property, according to police. The victim got out of the car, and the other women drove away. Officers found the victim around 11:35 p.m. in the 3000 block of Darbo Drive. She was treated at a hospital for her injuries. Police said they have probable cause to arrest two suspects for armed robbery. Anyone with information can contact Madison Area Crime Stoppers at 608-266-6014 or submit a tip at p3tips.com.