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LAKE CITY, Pa. (AP) – Pennsylvania State Police say a 2-year-old boy was seriously injured when he fell from a second-story window onto a sidewalk.

The Erie Times-News reports that investigators believe the boy was playing with his twin brother inside a Lake City residence on Tuesday when he climbed onto a toy chest and pushed against a window screen. Police say the screen came out and he fell about 20 feet onto concrete below.

Dispatchers say he was flown to a Pittsburgh hospital for treatment.

Police say the boy’s parents were in adjacent rooms when he fell.

(© Copyright 2017 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

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