"It is unforgivable to set up the crowd to pressure Congress," Barra was quoted as saying by NBC News.
On January 6, a protest by Trump supporters took place in Washington, which escalated into riots.
The demonstrators broke into the building of the Congress, where the procedure for approving the results of the presidential elections was taking place.
Four people were killed.
On January 7, Pelosi demanded to use the 25th Amendment to the US Constitution and remove Trump from power before the end of his term, on January 20.