SEATTLE (AP) — Seattle's Metro Transit has apologized but says it won't discipline the driver who asked a woman with a baby to get off a bus because of a stinky diaper.

Metro told KOMO (http://is.gd/ywJ5LB ) the driver did not violate policy when she acted for the comfort of other passengers.

An apology is not enough for the mother, Nichole Hakimian (hah-KIM'-ee-an), who threatens to sue.

She was taking her 1-year-old son to a clinic Tuesday when his diarrhea became an odor issue. She says the driver insisted she exit.

Hakimian says she found a place to change the baby and caught another bus to the clinic where her son was diagnosed with a stomach bug.

Metro says the driver is a nine-year employee with an excellent record.

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Information from: KOMO-TV, http://www.komotv.com/