Senate Sergeant of Arms Michael Stenger opened just the third impeachment trial of a US president in history with a warning to the 100 senators.
Before the vote, Trump, who has labelled the House impeachment a political witch hunt, accused Democrats of a ‘con job’.
This as France and its five Sahel partners agreed on Monday to step up military cooperation to combat a jihadist insurgency.
China last month announced sanctions on American NGOs, including HRW, in retaliation for the passage of a US bill backing Hong Kong’s pro-democracy movement.
Demonstrations were also held in the capital on Sunday night, according to unverified videos shared online.