Emergency workers have been hampered by unstable ground since Tuesday, when a truck and its driver were swallowed north of Tokyo.

A truck that fell into a sinkhole that suddenly opened on a road near Tokyo has captured national attention as attempts to rescue the elderly driver drag on. Residents near the hole have taken shelter at a local school,

Another sinkhole has since opened up nearby, and residents within a 650-foot radius had been evacuated, a spokesman said.