Rescuers search for survivors in the rubble of a collapsed residential building in Makongeni estate in Nairobi December 17, 2014. One person died and several injured when a five-storey residential building collapsed at the extended development outside Makongeni estate. Over 30 families are believed to have been living in the building. Unknown numbers of people remain trapped in the debris. REUTERS/Thomas Mukoya (KENYA - Tags: DISASTER)