The Ministry of Sustainability and the Environment (MSE) will convene an internal investigation panel to probe the sinkhole which opened up on Tanjong Katong Road South last Saturday (July 26).Speaking to the media on Tuesday (July 29), Minister Grace Fu said the internal investigation panel formed by the ministry, which manages PUB, will examine all available evidence.«We want them (investigators) to tell us what caused the incident and how we can prevent it from happening,» she said without going into further details.Calling it a serious incident, Fu said the sinkhole should not have happened.«On behalf of MSE and PUB, I would like to extend my sincere apology to the injured driver for the injury suffered, as well as (for) going through a harrowing experience.»She also apologised to members of public and residents in the vicinity for the anxiety and unease caused by the incident, and to motorists and commuters inconvenienced by the road closure and diversion. Read more