Police clash with protesters in Kenya over tax hikes

<p>Tensions boil over in Kenya during a protest against tax hikes, with police firing tear gas at crowds and arresting almost a dozen people during rallies. Some repoductive health campaigners in southern Africa are hoping for a change in Namibia's abortion ban which they say has forced many women to risk dangerous "back room" procedures. And a mysterious desert fortress has stood the test of time in Niger's deserts...</p>