India, June 23 -- The Federal Bureau of Investigation (FBI) has arrested two additional suspects in connection with an alleged plot to attack the June 14 UFC Freedom 250 event at the White House, the U.S. Department of Justice announced on Monday.

The suspects, identified as William Lee Spartacus Falkner and Jordan W. Rincker, have been charged separately with conspiracy to commit murder.

Falkner was arrested on June 19 and charged in the U.S. District Court for the Western District of Washington. Rincker was charged in the Western District of Missouri.

"Each and every day, the FBI and its federal, state and local law enforcement partners, along with U.S. Attorneys' Offices across the country, safeguard American communities and our nat...