Unknown number of people trapped after 16-story building under construction in Nairobi collapsesbr br A multi-story building in Kenya’s capital Nairobi collapsed on Friday, leaving a unknown number of people trapped beneath the rubble. br br READ MORE : br Subscribe on our Dailymotion channel and receive all the latest news from the continent. br br Africanews is available in English and French. br Website : www.africanews.