that number of exposed sinkholes will likely increase. "When clay soil gets wet, it's heavier and it's more plastic, it bends more easily, it breaks more easily. So, obviously rainfall brings both ...

The municipality stated that sinkholes have been increasing "geometrically ... as heavy rainfall erodes the clay soil, ...

That was when Indah Water Konsortium (IWK) clay pipes were damaged, causing water to seep into the soil which later gave way, resulting in the sinkhole. Incumbent Kajang assemblyman Hee Loy Sian ...

Small but deep sinkholes – big enough to lose a dog down – have been opening up in residential streets around Aitkenvale.