PHILADELPHIA (CBS) — Two teenagers were among three people shot when gunfire erupted overnight in North Philadelphia.

It happened around 4 a.m. Saturday at 31st and Berks Streets in the Strawberry Mansion section of the city.

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Police say a 15-year-old, 17-year-old and a 25-year-old were standing on the street corner when someone opened fire, striking them.

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All three were taken to Temple University Hospital in unknown condition.

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There was no word on what sparked the shooting.