Rageh Omaar presents the current affairs series. John Ray revisits Sierra Leone, three months after torrential rains triggered a devastating mudslide that claimed over 1,000 lives. John Irvine investigates a local controversy surrounding India's famous monument to love, the Taj Mahal. Critics believe the row has become emblematic of growing Hindu nationalism encouraged by the government to the detriment of Muslims in India. Debi Edward meets the Mongolians conquering Japan's most traditional sport - sumo.