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 effort to locate a Pennsylvania grandmother who appears to have fallen through a sinkhole into a decades-old mine shaft while she was searching for her cat has most likely shifted from a rescue to a recovery mission,

UNITY TOWNSHIP, Pa. — The team looking for a missing Pennsylvania grandmother believed to have fallen into a sinkhole has determined that an abandoned coal mine is too unstable for people to safely search underground, authorities said Wednesday while still expressing hope Elizabeth Pollard will be found alive.

We’re just to a point where we can’t send rescuers to an area where they can be injured or killed,” authorities said amid the ongoing search for Elizabeth Pollard

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,

Pennsylvania authorities believe missing woman Elizabeth Pollard, 64, may have fallen in sink hole after she went looking for her cat.

Rescuers are searching for a missing Pennsylvania grandmother who is believed to have fallen deep into a sinkhole while searching for her cat with her young granddaughter, authorities said.