Police now say the bus veered into five cars, and hit two women, killing one of them.
The bus finally came to a rest against the shopping center.
Investigators say the woman killed was 58-year-old Carol Conway of Lacey Township. Twenty-year-old Jessica Detore, also of Lacey Township, was seriously injured.
A 62-year-old woman was driving the bus, which is reportedly owned by the Keswick Pines Retirement Community. No one was aboard the bus.
The cause of the crash hasn't been determined.
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