Police said the 26-year-old victim was walking in the 4600-block of North Monticello Avenue at about 12:10 a.m. when the men approached her from behind, threw her to the ground and attacked her, police said. Two of the men held her to the ground while the third sexually assaulted her.
They got away with her belongings and ran away northbound toward West Lawrence Avenue, police said.
Police describe the suspects as dark skinned and all wearing black hooded sweatshirts. One suspect is described as 26-30, approximately 6 feet tall, 200 pounds and was wearing black jeans and had a tattoo by his right eye, possible a dagger. A second suspect is described as 30-40 years old, 6 foot 2 to 6 foot 3 and 170 to 200 pounds and black sweatpants. A third suspect is described as 26-30, 6 foot 2 to 6 foot 3 and 170 to 200 pounds and was wearing black pants
Police remind everyone to stay alert, walk in pairs, don't talk to strangers, be aware of your surroundings and if you witness anything suspicious, call 911.
Anyone with information is asked to contact Area North detectives at (312) 744-8200.