Talks between the UK and the US on a post-Brexit trade agreement are to get under way on Tuesday.
The early negotiations will take place by videoconference, due to the Covid-19 pandemic, with the first round of talks expected to last two weeks and further sessions approximately every six weeks.
Ministers say they will drive a “hard bargain” as they seek to lower tariffs on exports and boost trade in services.
But Labour warn food standards and workers’ rights could be “sacrificed”.
Although US President Donald Trump has said he hopes to negotiate a quick deal, international trade agreements typically take many years to complete.
The UK government has estimated that eliminating tariffs and reducing other trade barriers with the US could boost the economy by between 0.07% and 0.16% over the next five years, depending on the exact terms.
But critics of Brexit say improved terms with the US cannot compensate for a more economically distant relationship with the EU, with whom the UK is negotiating a new trading relationship after its exit on 31 January.
Ahead of the start of the US talks, International Trade Secretary Liz Truss said