A Rock Rapids man is under arrest after a tip from the F.B.I.’s Joint Terrorism Task Force.

Lyon County Sheriff’s officers say 19-year-old Michael Edward Bauman was arrested Thursday after a search of his home on Thursday. Agents from the F.B.I. and the Iowa Intelligence Fusion Center as well as local deputies conducted the search.

Authorities seized a number of computers and guns. Bauman is accused of threatening to blow up a television relay tower, burn down a business and kill law enforcement officers.

Bauman is charged with a "Class D" threat of terrorism and is being held in jail on a $10,000 bond.