This photo was circulated on social media this morning.

Messages warning motorists of rocks on the road between Evander and Secunda have been going around on social media this morning.
According to the Facebook page, Secunda 911, people should also be on the lookout for rocks placed on the N17.
People believe the rocks have been placed on the roads with the intentions of hi-jacking vehicles.
According to some of these messages, vehicles have been damaged.