A student from Cornell University has been arrested for posting threatening statements online about Jewish students at the school, law enforcement officials say. Patrick Dai, 21, a junior from Pittsford, New York, is charged in a federal criminal complaint with posting threats to kill or injure another using interstate communications, according to a joint announcement from the US Attorney’s office, FBI, New York State Police and Cornell University Police. Officials say that Dai could be imprisoned for at least five years owing to the nature of the charge against him. The menacing messages, posted over the weekend on a forum...