Senate committees on Tuesday held hearings on what went wrong before and during the January riot at the Capitol building. Senators heard from top Capitol security officers to learn more about the failings that allowed hundreds of supporters of former President Donald Trump to storm the building as Congress met to certify the presidential election results. The siege ultimately resulted in five deaths. Former Capitol Police Chief Steven Sund — who said he regrets resigning in the riot's aftermath — testified that he requested assistance from National Guard troops two days before the attack, but was shot down by former House sergeant-at-arms Paul Irving because of concerns about "optics." Irving, though, said Sund never made that request and suggested he would have ensured the National Guard's presence if he had.

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