The U.S. flag and the U.S. Capitol Police flag were flown at half-staff after the death of Capitol Police officer Brian Sicknick. On Sunday, the FBI arrested two men who are accused of spraying chemicals on Sicknick and others during the Jan. 6 Capitol riot.

WASHINGTON, DC – FEBRUARY 19: The United States and U.S. Capitol Police flag continue to fly at half-staff in front of the law enforcement organization’s headquarters to honor fallen Officer Brian Sicknick on February 19, 2021 in Washington, DC. The Capitol Police announced Thursday that it has suspended six officers with pay and placed an additional 29 officers under investigation for their actions during the January 6 insurrectionist attack on the Capitol, which resulted in Sicknick’s death. The former Capitol Police chief and the former House and Senate Sergeants at Arms have been called to testify before the Senate Homeland Security Committee next week. (Photo by Chip Somodevilla/Getty Images)