Bhopal: A 20-year-old married woman was allegedly raped by four sanitation workers near railway station here in Madhya Pradesh, police said on Thursday night.

The shocking incident took place on the intervening night of Wednesday-Thursday and all the accused have been arrested, they said. The accused - Dharmedra Rai (45), Vikram Karosia (32), Rajesh Khare (40) and Rakesh Karosia (40) - were arrested on Thursday and charged with gang-rape, a Government Railway Police (GRP) release said. They all are sanitation workers hired through a private agency to work on platforms and station premises, the GRP said. Among them, Rai is a supervisor, the police said.