MP

Their MP, Westmorland and Lonsdale Liberal Democrat Tim Farron, who is also the party's farming and environment spokesman, shares their concerns.

Conservative MP David Davis has also written to the Cabinet Office on behalf of one of his constituents, asking for "common sense" to be used to process applications more quickly.

A source close to Kim Leadbeater, the Labour MP bringing the bill, said she would be open to looking at this issue when the details are discussed in a committee of MPs next year.

Roz Savage, the Liberal Democrat MP for South Cotswolds, said assisted dying should be "patient-led, not doctor-led".

Chris Webb, the Labour MP for Blackpool South, was also among the MPs who expressed their concerns.