A bizarre attack at a local bus stop Sunday sent a pregnant woman to the hospital. Police said the woman's boyfriend bit off part of her lip. Bystanders had to jump into action to help the woman."I said look at her mouth, oh my God, it looked like her lips were hanging," witness Manuel Perez said.According to witnesses, the couple was arguing at the bus stop off of Ayers and Port when things quickly got out of hand."He was loud. It really scared me," a witness said. "I really thought he was going to hit her, but it went on for a good 20-25 minutes."However, the suspect, 21-year old Jacob Flores, did not hit his girlfriend. Instead, police say he grabber her face and bit off part of her lip."After the assault, several citizens assisted her and held him down before the arrival, and they held him down," said Senior Officer Maria Pici of the Corpus Christi Police Department.According to officers, the 21-year old victim is two months pregnant and wanted to leave the relationship.The suspect was arrested and is charged with aggravated assault. The woman was taken to the hospital, where emergency crews were hoping to try and reattach her lip.