Chow, a longtime Republican insider, is also the wife of Senate Majority Leader Mitch McConnell, who like all lawmakers had to run for safety as Trump supporters stormed the Capitol building.

In a resignation email to her staff, Child said Wednesday's attack deeply troubled her quote in a way that I simply cannot set aside.

Her resignation is effective Monday.

Some Washington insiders expect Child to be the first in a line of resignations in protest to the tactics President Trump has used to try to overturn his lost to president elect Joe Biden.

Trump is largely blamed for whipping up a frenzy in a speech Wednesday to thousands of supporters, repeating a debunked claim that the election was stolen from him and urging them to march to the capital.

Protesters immediately headed to Capitol Hill, bursting through barricades, smashing windows and clashing with police.

Trump has not condemned the unprecedented violence, but pledged on Thursday to have unquote orderly transition.