(Radio Iowa) – A Luther College student has been charged after allegedly posting threats on social media early Monday. Decorah Police say 20-year-old Peter Bumba of Illinois has been charged with terroristic threats, a Class D Felony. A post on Instagram referred to a violent anime series and suggested killing 80 percent of students at Luther and police say Bumba confessed the post was his. A search of Bumba’s room and vehicle found no weapons and authorities say there is no ongoing threat to Decorah or Luther College.