4:27 p.m. - 4:27 – 4:28 p.m.
4:27 p.m.: A wave of rioters attack police who are standing guard inside the Capitol’s West Terrace archway. (via the Washington Post)
4:28 p.m.: Capitol Police secure the Senate and House chambers, along with the basement, subways, first floor, and crypts. (via U.S. Senate committee staff report)