The 39-year-old Swiss tourist was gang-raped by a group of eight men near a village in Datia district. Her husband was attacked and thrashed by the men.
"The incident took place near the town late last night when the woman along with her husband was touring the region on a bicycle as part of their India tour," Datia SP, CS Solanki told media persons.
Based on husband's complaint, police detained eight men.
"Eight persons have been rounded up on the basis of suspicion and are being questioned in connection with the case," the SP said.
"We are scouring the forest area in search of those involved in the crime," he said without giving more details.
The couple was said to have halted near the crime site while on their way from Orchha to Agra. They had planned to cover the 250-km stretch on bicycles.
According to the woman's husband, around 9:30 at night, a group of seven men with lathis (wooden sticks) in their hands overpowered him and four of them then gang-raped his wife. The men also beat them up, he said.
The woman was taken to a hospital in Gwalior where her medical examination confirmed that she was gang-raped.