The Capitol siege left four people - including one female protester who was shot by law enforcement officers - and one police officer dead.
ABC News reported that bomb technicians used water cannon to blast the devices to break them apart and render them harmless on Wednesday just as supporters of U.S. President Donald Trump stormed into the Capitol building, where lawmakers were certifying the victory of President-elect Joe Biden.
U.S. Capitol Police responded to reports of "a suspected pipe bomb with wires" outside the Republican and Democratic National Committee headquarters in Washington, D.C., around 1 p.m. and 1:15 p.m., respectively, according to the Federal Bureau of Investigation.
A bomb squad found the arsenal during the scramble to secure the federal complex after it was overrun by pro-Trump rioters.
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Iran's Red Crescent Society has also stated that, separately from the government, it is planning to import a Chinese vaccine. Trump to help with the pandemic, saying he did not trust the intentions of the U.S., Iran's "most vicious" enemy.
As part of their response, Capitol Police performed an investigative sweep of the area, during which two officers saw a firearm in a red pickup truck with Alabama license plates.
Read the state as published on its website: "FBI is seeking to identify individuals instigating violence in Washington, D.C. We are accepting tips and digital media depicting rioting or violence in and around the U.S. Capitol on January 6".
As of 9:30 p.m., 52 people were arrested, including five on weapons offenses. Coffman was detained at the scene. He says investigators will review video surveillance and other evidence.
Authorities are offering the money for information leading to the "location, arrest, and conviction" of whoever is responsible for the placement of suspected pipe bombs near the Republican National Committee and Democratic National Committee headquarters. They also found a black handgun and an M4 Carbine assault rifle along with loaded magazines.