This picture was taken by an eyewitness to the apparent act of police brutality.
It appears to show the man who was dragged by the police van. He died later.
South African President Jacob Zuma has condemned the brutal killing of Mr Mido Macia, who was reportedly killed by police in Daveyton.
South African Police have been blamed for the death of a taxi driver but this is not the first time they have faced charges of brutality.