from 3rd left: Liberia President, Joseph Nyuma Boakai; Togo President, Jean-Lucien Savi de Tové; President Bola Ahmed Tinubu; former Head of State, Yakubu Gowon; President of the Republic of Guinea Bissau, Umaro Sissoco Emalo; President of the ECOWAS Commission, Umar Alieu Touray and other leaders cutting anniversary cake during the ECOWAS 50 years commemorative ceremony in Lagos on Wednesday