A pregnant woman said she was attacked while walking in Frick Park in Pittsburgh’s Point Breeze neighborhood on Friday.
Police said the attack happened around 10:30 a.m. in the Bowling Green section of the park.
The woman said she was walking alone and almost became a victim of robbery when she offered the assailant a cigarette.
Investigators said she but fought back against the unarmed assailant, who ran toward Regent Square when police arrived.
Police said the assailant is described as a white man, between 5 feet 9 inches and 6 feet tall, wearing a black hoodie, gray pants and gray shirt. The gray shirt is said to have a blue and white logo.
"Well, it's a little disturbing," said Neil Gerjuoy, who lives near the park. "I just woke up and noticed the police cars out here and discovered there had been an attempted robbery or something like that. This is normally a very quiet and peaceful neighborhood. I've been here for four years, which isn't a really long time, but people feel very safe here."
Officers said the woman is only a few months pregnant, and she was taken to Magee Women’s Hospital as a precaution.