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

Rescue workers in Japan are trying to pull out a truck driver from a sinkhole that appeared on Tuesday and has since widened. The sinkhole appeared in Yashio city in Saitama prefecture, near the capital Tokyo,

The driver was able to talk with rescuers but they retreated after the area around the hole became unstable, a spokesperson said.