On this edition of Africa 54: at least two people have died and 50 wounded in the latest in a string of attacks to hit Burundi; Egypt's President Abdel Fattah al Sisi called for "a comprehensive, balanced and legally binding agreement" on the operation of a giant hydropower dam on the Blue Nile in Ethiopia; And a new cutting-edge technology in Malawi dubbed "intelligent tap" or (itap) brings a sigh of relief to many households.