SILOAM SPRINGS, Ark. (AP) — A college student in Arkansas has been arrested in connection with making references to committing a mass shooting or bombing.

Timothy Constantin of Gainesville, Florida, was arrested Tuesday in connection with criminal possession of explosives. The 20-year-old is a student at John Brown University, which is a private, Christian college in Siloam Springs.

Police responded to reports at a university residence hall last week of a suicidal student making comments about committing a mass shooting or bombing. Officers say they found firearms and ammunition in Constantin'...