U.S. authorities have arrested an Ohio man for plotting an attack on the U.S. Capitol.
According to reports, an FBI agent thwarted the plan after Christopher Cornell researched the construction of pipe bombs, purchased a firearm and 600 rounds of ammunition, and made plans to travel to Washington to execute the plan.
Cornell -- also known as Raheel Mahrus Ubaydah -- was said to have told an informant cooperating with the FBI that he hoped to conduct a lone terrorist attack on his own against congressional officials and employees.
Authorities say his plan was to lay pipe bombs near the building and shoot employees.
The 20-year-old from Cincinnati, who was active on Twitter, posted videos and statements in support of Islamic State and the staging of violent attacks.
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