A 29-year-old man is in a critical condition after falling roughly six metres from a tree onto a palisade fence at a home in Valhalla, Pretoria, on Thursday afternoon."When ER24 paramedics arrived at the scene, they found the man lying in a garden. Upon further assessment, paramedics found that the man had sustained numerous injuries and was in a critical condition," ER24 spokesperson Ineke van Huyssteen said in a statement. "The man was freed from the fence by the Tshwane Fire Department and thereafter stabilised and transported by ER24 to hospital."It is believed that the man was working in the garden.The exact circumstances surrounding the incident were not known to paramedics, Van Huyssteen said.