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A 14-foot-deep sinkhole opened up in a residential street in Chicago鈥檚 South Side on Sunday evening, news media said. No one was injured.

Officials said that a had caused the sinkhole, the Chicago Sun-Times reported. Naturally occurring sinkholes form when acidic groundwater eats at underground limestone, creating a cave in the rock. On the surface, all looks well until a certain threshold of damage is reached and the cave, well, caves in. To a bystander, it appears as though the ground is sinking into a hole.

From Sunday to Tuesday, the sinkhole had continued to grow to about 20 feet by 80 feet, pulling down , ABC7 Chicago reported. Officials said on Monday that the damage was repairable within a few days.

"Depending on what's underneath it, we're hoping by the end of the week we ," said Dep. Comm. Bill Bresnahan, of the Chicago Water Department, told ABC7 Chicago.

The water leak caused not just a sinkhole to form, but also a brand new water main to break, flooding the streets and resident鈥檚 basements with , the Chicago Sun-Times said.

Chicago鈥檚 Water Department had restored water service to the neighborhood, West Pullman, around 11 p.m. Monday night, after shutting off water to the area over the Sunday and , CBS Chicago said. The neighborhood remains under a , NBC Chicago said.

In April, another sinkhole in a Chicago South Side street had , injuring the driver, ABC7 Chicago reported that month.