Hong Kong authorities have been urged by lawmakers to disclose the locations of pipes lined with bitumen and to install sensors to monitor water quality after the substance was discovered in the ...

Secretary for Development Bernadette Linn on Saturday said the government would start replacing a water pipe lined with bitumen within this year, after black particles were found in the tap water of ...

The director of the Water Supplies Department said on Friday that black particles, since identified in laboratory tests as bitumen, found in tap water at two Fanling housing estates probably came from ...

Official says black particles have decreased after authorities installed filters, stressing cleaning efforts at housing estates will be increased Hong Kong authorities will replace old pipes lined ...

The water pipe believed to have introduced black particles of bitumen into the freshwater supply at two public housing estates in Hong Kong last month will be replaced by early July, the development ...