Authorities arrested a 25-year-old Western Illinois University student Thursday in connection with a prank 911 call made Wednesday night, which prompted a five-hour law enforcement response. Alvin Montgomery of Macomb was arrested Thursday near Bayliss Hall on the WIU campus, Macomb Police Chief Curt Barker announced Friday morning. Montgomery is charged with disorderly conduct: Making a false 911 call and attempted obstruction of justice for attempting to delete information from a cellular phone.