TimesLIVE saw a number of sinkholes in different parts of Witpoortjie, one of them at a community recreational park, posing a threat to children.“I need to come up with an alternative and that’s selling this house. But who is going to want to buy a property when they see there are problems? There are sinkholes and the grass is long, so you can’t see them. Our children like to play in the park and could fall in,” said a concerned parent. Tebogo Magashoa, regional operations manager of the Johannesburg Roads Agency, who responded to the protests, said he had been in the job only…