African startups raise $5 billion as global investors show confidence in continent

Zipline's drone delivers blood in Rwanda. Zipline raised $250 million for operation expansion, making the firm one of the few companies to cross the $100 million investment mark. / Courtesy
Zipline's drone delivers blood in Rwanda. Zipline raised $250 million for operation expansion, making the firm one of the few companies to cross the $100 million investment mark. / Courtesy
Collins Mwai