Firefighters are battling a blaze that broke out at the Chinachem Tower in Hong Kong’s central business district after scaffolding on the building caught fire on Saturday afternoon, with at least four people injured. Police said they received reports of a fire at No 34-37 Connaught Road Central, the address of the tower, at about 4.24pm. The severity of the fire was upgraded after about 12 minutes. “Informants said scaffolding facing a back alley of a building caught fire,” a force spokesman...