South-Easterners in diaspora under the aegis of World Igbo Congress have demanded the immediate release of Nnamdi Kanu, the detained leader of the Indigenous People of Biafra (IPOB) from detention. The congress made the demand on Tuesday in a statement signed by its Chairman, Prof. Anthony Ejiofor, Secretary-General, Chris Ogara and Public Relations Officer (PRO), Basil Onwukwe.