It appears the protesters were allowed in:

https://thedonald.win/p/11RhAp2tHR/was-this-shit-planned-wtf-is-thi/c/

It appears some of the protesters were blm/antifa:

Can't find a link, but there's a picture of a blm POS named Spencer Sunshine in Tempe, AZ at a blm event as well as today at the Capitol. (u/jenroyandmoss found it: https://imgur.com/gallery/j3GjvGj)

There were witnessed oddities with how the shooting of an unarmed citizen occurred:

https://thedonald.win/p/11RhAqC7Pl/additional-context-about-woman-s/

POTUS Twitter account locked and a post where he called for calm was removed:

https://thedonald.win/p/11RhAp4op4/trumps-account-has-been-locked-b/c/

https://thedonald.win/p/11RhAnvKJ3/trump-tweet-captured-before-remo/c/

Trump supporters smashing video equipment:

https://thedonald.win/p/11RhAqCOOa/trumpers-smashing-media-equipmen/c/

Protestors in Capitol share similarities with antifa thugs:

https://twitter.com/LLinWood/status/1346946445157404674/photo/1

Which leads to:

Congress reconvened quickly:

https://thedonald.win/p/11RhArJgFk/congress-reconvenes-in-minutes-w/c/

Calls for POTUS' immediate removal from office:

https://www.thegatewaypundit.com/2021/01/calls-grow-president-trump-immediately-removed-office-via-impeachment-25th-amendment/

Senators bailing on objecting to fraud investigation:

https://thedonald.win/p/11RhArLsqT/senators-who-planned-to-object-a/