Authorities believe Elizabeth Pollard may have fallen dozens of feet into a former coal mine. A search and rescue effort was underway in Pennsylvania on Tuesday, Dec. 3, after a grandmother searching for her cat appears to have plunged into a sinkhole that authorities said was at least 30 feet deep.

First responders in Westmoreland County are searching for a 64-year-old woman who reportedly fell in a 30-foot sinkhole in Unity Township.