A dramatic video has emerged from Kruger National Park in South Africa of a large bull elephant chasing a safari vehicle.<br /><br />In the clip, which was filmed last month, the angry elephant pursues the jeep for three kilometres as a terrified passenger pleads with her driver to speed up.<br /><br />Due to rigorous conservation measures, the elephant population in South Africa has grown from a estimated 120 in 1920 to 10-thousand.
