Sinkhole swallows car in western Pennsylvania

Handout shows a man looking at a car as it falls into a sinkhole on McKnight Road in Ross Township of Pittsburgh, Pennsylvania
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A man looks at a car as it falls into a sinkhole on McKnight Road in Ross Township of Pittsburgh, Pennsylvania, in this handout photo taken August 12, 2014, courtesy of Roxanne Oglesby. A woman was pulled from her car and hospitalized on Tuesday after the car fell into the sinkhole that opened up in a Pittsburgh-area parking lot, officials said. News footage showed the sinkhole in Ross Township, Pennsylvania, was about three times the width of a car and filled with water. Picture taken through a window. REUTERS/Roxanne Oglesby/Handout via Reuters (UNITED STATES - Tags: DISASTER TRANSPORT TPX IMAGES OF THE DAY) ATTENTION EDITORS � THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE WAS PROCESSED BY REUTERS TO ENHANCE QUALITY. AN UNPROCESSED VERSION WILL BE PROVIDED SEPARATELY

PITTSBURGH (Reuters) - A woman was hospitalized on Tuesday after her car fell into a sinkhole that opened up in a Pittsburgh-area parking lot, officials said.

News footage showed the sinkhole in Ross Township, Pennsylvania, was about three times the width of a car and filled with water.

The sinkhole opened up in the parking lot of a tanning salon, according to an Allegheny County Police dispatcher.

The woman was backing out of a parking space when her car sank, and local media photos showed a white sedan falling into the hole rear-end first.

She escaped out of her car window before the vehicle submerged and was listed in good condition at an area hospital, according to WPXI television.

Sinkholes form when rock below the earth's surface is dissolved by groundwater, according to the U.S. Geological Survey.

Local media reported that a storm drain runoff pipe had collapsed during recent heavy rains.

(Reporting by Elizabeth Daley in Pittsburghm; Editing by Ellen Wulfhorst and Sandra Maler)