Witnesses in US President Donald Trump's impeachment inquiry are expected to testify publicly for the first time later on Wednesday.

It could all potentially lead to a vote in the House of Representatives - only the third time in the country's history - and then a trial in the US Senate.

Al Jazeera's Patty Culhane reports from Washington, DC.

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Washington Post 18 Jan 2020 15:54 CET

The trial begins