Policemen stand guard as supporters of Indigenous People of Biafra (IPOB) leader Nnamdi Kanu take in a rally, as he is expected to appear at a magistrate court in Abuja, Nigeria December 1, 2015. Kanu - an activist who divides his time between the UK and Nigeria, spreading his ethos on social media and Radio Biafra - was arrested on charges of criminal conspiracy and belonging to an illegal society. REUTERS/Afolabi Sotunde