 There have been more anti-government protests in Kenya, and at least one person is reported to have been killed. Over the last few weeks, young protesters in the country forced President William Ruto to drop deeply unpopular tax rises. But many protesters want the president to step down. Yesterday, some of them blocked a key road heading to neighbouring Tanzania. We're joined now by the BBC's Mercy Juma, who spent a lot of yesterday on the ground covering the protests.