About 2.57 billion urban dwellers in developing nations are vulnerable to high levels of risk fuelled by rapid urbanisation, poor local governance, population growth, poor health services and, in many instances, the rising tide of urban violence. The figures are from the World Disasters Report released by the International Federation of Red Cross and Red Crescent Societies (IFRC) on Tuesday. A key finding of the report is that between one-third and one-half of the population of most cities in...