: For more updates on Wednesday's search and rescue efforts in Unity Township, Westmoreland County, click here.UNITY TOWNSHIP, Pa. (KDKA) -- The abandoned mine where search and rescue efforts are underway to find a missing woman who fell through a sinkhole is becoming compromised and unsafe,

The team looking for a missing Pennsylvania woman believed to have fallen into a sinkhole has determined that an abandoned coal mine is too unstable for people to safely search

Rescuers contemplated the safest way to search for a woman who apparently fell into a Pennsylvania sinkhole while looking for her lost cat. A crumbling old coal mine was endangering rescue workers.

Rescuers contemplated the safest way Wednesday to search for a woman who apparently fell into a Pennsylvania sinkhole while looking for her lost cat, saying a crumbling old coal mine beneath the surface was complicating efforts and endangering workers.

Police fear a woman in Pennsylvania who disappeared while looking for her cat may have been swallowed by a sinkhole.

Rescuers contemplated the safest way Wednesday to search for a woman who apparently fell into a Pennsylvania sinkhole while looking for her lost cat, saying a crumbling old coal mine was complicating efforts and endangering workers.

A Pennsylvania grandmother who went missing while looking for her cat is believed to have fallen into a deep sinkhole, authorities said.