Exclusion zone widened around Rockdale sinkhole

An exclusion zone around a sink-hole in Sydney's south has grown, with engineers continuing to monitor a building at the site.

Transcript

00:00 Engineers are here on site today to monitor this building that has partially collapsed

00:08 here in Rockdale in Sydney's south and this began early on Friday morning when a 10 metre

00:13 wide sinkhole formed and as you can see from the aerial footage, concrete has now been

00:21 poured into that sinkhole and we also know that this is a two-storey commercial complex

00:28 which is about 200 metres long and engineers have said that it has partially collapsed

00:34 and they are working to see what the next steps here are needed including whether more

00:39 concrete is needed here at the site.

00:41 And Alison, do we know what caused the sinkhole?

00:46 Well this sinkhole formed above the current construction for the M6 tunnel and Transport

00:52 for NSW has confirmed that tunnelling was underway at the time but they are still investigating

00:59 whether there is a link between that tunnelling and construction and this sinkhole forming.

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