"Prosecutors of the House of Representatives will present (in the Senate) articles of impeachment on Monday, January 25 at 7 pm ... Speeches of the parties (process) will begin in the week beginning on February 8," RIA Novosti quoted Shumer.
On January 14, the US House of Representatives voted in favor of a resolution to impeach Trump.
The leader of the US Senate Republican Party, Mitch McConnell, proposed in his statement the timing of preparations for the Trump impeachment process, which would not allow the process to begin earlier than mid-February.