Detroit police are investigating after a woman said she was robbed and sexually assaulted while out on a bike ride on the city's east side.

The 24-year-old woman was riding her bicycle on East Milwaukee, near Orleans, at about 6:20 p.m. Saturday when two men in a white, full-size van approached, said Detroit police spokesman Dontae Freeman. The area is near I-75 and I-94, not far from the Russell Industrial Center.

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After forcing her in the van, the men drove around for a short time and robbed and sexually assaulted her, Freeman said. They eventually let her go, though exactly where is unclear. Freeman said she ran back to the area where she was initially abducted.

Wayne State University police responded to the scene. The victim was taken to a hospital. Detroit police were notified later that evening.

The suspects are described as two black men in their 30s, both with shaved heads. One man had scars over his body, Freeman said.

The Detroit Police Department's sex crimes unit is investigating. Anyone with information is asked to call the unit at 313-596-1950.

Contact staff writer Ann Zaniewski at 313-222-6594 or azaniewski@freepress.com. Follow her on Twitter: @AnnZaniewski.