MBTA Transit Police have arrested a woman accused of pushing an elderly woman off a bus last week, seriously injuring her.

The incident happened around 1 p.m. on Sept. 8 at a bus stop on Warren Street in Boston's Roxbury neighborhood. Video shows the victim being knocked down the stairs of the bus, flying out the front door and landing on the sidewalk.

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According to witnesses, the victim fell to the pavement and remained on the ground for about 10 minutes before receiving medical attention. Paramedics arrived on the scene and transported her by ambulance to an area hospital. MBTA Transit Police say an elderly rider was violently shoved off a bus and injured last week.

Transit police said Wednesday that investiga

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