Two girls punched and spit at a 50-year-old woman onboard an MBTA bus on Sunday, according to Transit Police.
The assault happened around 5 p.m. Sunday on a bus near Washington Street and Columbia Road, MBTA Transit Police said, adding that the two suspects allegedly pulled the victim's hair as well.
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Authorities said the assault was unprovoked and without warning.
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Both of the girls got away, and the investigation remained underway.
Anyone with information has been asked to reach out to police by calling 617-222-1050.