Football field sized sink-hole closes Louisville Zoo and Mega Cavern

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LOUISVILLE, Ky. (WBKO) -- Engineers say they found some debris near an unoccupied section of the cavern but didn't find any issues in the occupied part where commercial districts and residential areas are located above.

Officials said they'll keep investigating those areas under the zoo and above ground in the zoo. They also say they'll keep checking if any fissures above ground have expanded.

"We have geo-tech engineers, mining engineers, a lot of different people getting a look at this and making sure that the area is safe," said Mitchell Burmeister, Public Information Officer at Louisville Metro Emergency Services.

The affected area is estimated to be about 60 yards wide and 90 yards long.

Investigators say once the entire area is determined safe the zoo and mega cavern will re-open.