UPDATE: Police are now saying that the 20-year-old woman who was abducted and sexually assaulted in an 11-hour ordeal on Saturday, knew her attacker. No other details are available at this time.

Police are looking for a man who they believe abducted and sexually assaulted a young woman early Saturday morning and held her 11 hours before she escaped near 57th and Larchwood.

The 20-year-old woman was forced into a black vehicle at gunpoint at about 4 a.m. near 49th and Lancaster. The vehicle had tinted windows and a garbage bag over the driver’s side rear window, she told police. She escaped from the vehicle at about 3 p.m. on Saturday near 57th and Larchwood, police said.

Her abductor was described as a black male, about 23 years old, with dreadlocks and a long beard.