https://yestino.com/entities/london-underground-914c51Every event involving London Undergroundenhttps://yestino.com/events/london-underground-workers-exposed-to-asbestos-without-prote-5279fchttps://yestino.com/events/london-underground-workers-exposed-to-asbestos-without-prote-5279fcSat, 12 Sep 2026 10:00:32 GMTHundreds of staff may have worked without legally required face-fitted masks over 20 years Hundreds of London Underground workers could have been exposed to as… Sources: The Guardian World