Nichole Hakimian had just boarded the bus with her son when the trouble began.
"He had just pooped in his diaper," Hakimian said. "The bus driver told me to get off the bus and I said 'Why is that?' She says 'your baby, he smells really bad. And it's not fair that we all have to smell that.'"
After being kicked off the bus, Hakimian had to walk a half mile to take her sick son the doctor's office, while four months pregnant.
Seattle's Metro Transit is investigating the incident. A spokesperson called it a, "very unique situation. Our goal is always to balance the comfort of all our riders."