Question

in what way London Underground railway proved hazardous for the people

Answer 1

When the London Underground railway was surveyed and tested for the dust particles, suspended particles found inside the stations, train wrecks, it was found to be hazardous for the people as well as the train drivers and staffs.

Toxicology revealed that the dust inside the London Underground is cytotoxic.

High concentrates of iron oxide and quartz were also detected.