NEW YORK -- One person carrying a rifle in a bag was arrested on the St. John's Queens campus Wednesday afternoon, police said. The man appeared to be wearing a President Bush mask, according to preliminary information from law enforcement officials. Authorities asked students and faculty across the campus to stay indoors. There was a large police presence on the campus. Areas near the site of the man's apprehension have been locked down. Police said they were possibly looking for more suspects. The St. John's University Web site issued this advisory: "A male with a rifle in a bag was...