Motor insurance companies are encouraging fake whiplash claims by not subjecting claimants to proper medical checks, the chair of a transport committee has warned.
Louise Ellman MP told Good Morning Britain that industry leaders "have to act more responsibly and not just pay out without an examination".
MPs have called for whiplash payouts to be banned unless victims' claims have been checked independently.
More top news
Transport Secretary Chris Grayling believes Network Rail should share the responsibility with private train operating companies.
Two vehicles were swallowed up by the sinkhole on Sunday night, killing Dora Linda Nishihara and injuring one man.
Elliott Livingstone, aged three, spent most of his life in hospital before the operation in April.