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

Pennsylvania, where a grandmother disappeared this week, is one of the states where sinkholes are most common in the U.S.

An abandoned coal mine is too unstable and unsafe for rescuers looking for a 64-year-old Pennsylvania woman who may have been swallowed by a sinkhole

The search entered day two on Wednesday. Pennsylvania troopers worry the abandoned mine where search efforts are underway is becoming unsafe, a report says.

Pennsylvania crews are continuing to search for Elizabeth Pollard, 64, who was last seen in Marguerite, Pennsylvania on Dec. 2. She is believed to have fallen into a sinkhole while looking for her lost cat,

Unless there’s a miracle’ searchers in Pennsylvania don’t expect to find woman in sinkhole alive, police say.