LONDON  - Trade talks between Britain and the United States will begin via a video conferencing call on Tuesday, Prime Minister Boris Johnson’s spokesman said, as the two countries seek to strike an “ambitious free trade agreement”.

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“Both sides have expressed their willingnes to make progress as quickly as possible, so we look forward to a constructive two weeks of talks,” the spokesman told reporters.

“We want to strike an ambitious free trade agreement with out biggest single trading partner.”

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Britain left the European Union in January and is now negotiating future trading terms with Brussels and other major economies.