"But things change and society changed.

The system works by detecting pressure waves emitted by an earthquake. While it can't predict when an earthquake will happen in the distant future, it does give seconds of warning that could be life-saving. It is the closest thing to an earthquake "predictor" that has been invented so far.On Wednesday, Transport for London (TfL) announced it would invest £15m on building more toilets across the network and improving existing facilities.

For Billie Nicholls, who has ulcerative colitis, the news means she will be able to travel without "worry and stress".The 28-year-old from south-west London said toilet access for someone with a gut or bladder condition was "really important".She was diagnosed with the chronic inflammatory bowel disease in 2017 and has been living with a stoma bag for seven years.

TfL said it would increase the number of available toilets fromso that customers were "always within 20 minutes of a toilet without having to change train".

It added that construction work was expected to start within the next year.

Mrs Nicholls commutes regularly for work from Tooting Broadway to London Bridge and said the commitment was "brilliant" as many people "don't have the luxury of waiting" for a toilet.Nurdles are balls of plastic resin used in plastics production. They are not toxic but can present a risk to wildlife if ingested, according to HM Coastguard.

One crew member of the Solong is missing and presumed dead. The captain of the cargo vessel has been charged with gross negligence manslaughter.Mr O'Callaghan said aerial surveillance had confirmed the presence of the nurdles in the water and some on the shore between Old Hunstanton and Wells-next-the-Sea in Norfolk.

Retrieval had started, with specialist counter-pollution teams sent to help, he added.Calum Duncan, head of policy and advocacy at the Marine Conservation Society, said: "We're deeply concerned about nurdles washing up along the Wash, a vital internationally important protected area for birds like waders, wildfowl, gulls and terns."