Tokyo, Singapore and Osaka have once again been named the world’s safest cities by The Economist Intelligence Unit (EIU) in its third set of rankings based on urban safety and resilience.Hong Kong, on the other hand, dropped to 20th after ranking 11th in 2015 and ninth in 2017.Other Asian cities ranked even lower included Beijing (31), Kuala Lumpur (35) and Jakarta (53).In the Safe Cities Index 2019, released on Thursday, 60 cities from five continents were assessed on four factors: digital,…