impractical

Lawyers for the city of Los Angeles and the Department of Homeland Security previously argued that the judge’s ban was impractical and overly broad.

Mr Turbeest acknowledged that offering wider relief would be impractical, given the vast number of businesses affected.

It warned that it is "impractical" to expect many of these parts to be sourced domestically, resulting in higher costs for the industry.

Attorneys for both government entities had argued against such a broad ban at the recent court hearing, saying it was impractical and would ultimately put law enforcement at risk.

Claire Mann, TfL's chief operating officer, said she was "bitterly disappointed" the strike went ahead, calling the demands "unaffordable and impractical".