Baring any last-minute change, President Muhammadu Buhari will on Friday or Saturday leave Nigeria for the United Kingdom for a four-day programme, SaharaReporters has gathered. According to a presidential source, the trip is being kept secret to avoid rampage or any "embarrassing protest" against the Nigerian President in London. President Buhari is leaving for the UK tomorrow or Saturday for a 4-day programme. The secret trip has not been announced yet to avoid rampage against him in London. Recall how his last trip attracted protests in London,” the source told SaharaReporters. Buhari and members of his family routinely travel to