BOSTON (CBS) – A Needham woman who was leading a cross-country charity bike ride was struck and killed in Alabama Monday.

Christina Genco was traveling from South Carolina to California with a group of riders from Bike & Build when she was hit by an SUV.

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Genco was a 22-year-old Boston University graduate who had already completed one cross-country ride for Bike & Build in 2009.

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“We are all shaken by this terrible news, and this will be a difficult time for everyone in our community,” the group said on its web site. “We have solace in the strength of the Bike & Build community, which we will count on to support each other as we respond to this tragedy.

Read: Full Statement (.pdf)

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The web site cites an Alabama State Police report saying it is currently unclear whether the SUV driver who struck Genco will face any charges.