Anonymous telephone threats against commercial airliners, possibly from the same source, caused a scare Monday involving four international flights at airports in New York and New Jersey.
Authorities said the threats did not appear to be credible. They described searches done on three of the jets as a precaution.
In one instance Monday morning, U.S. military jets escorted an Air France flight into New York City after someone claimed a chemical weapon was aboard the aircraft, the FBI said.
"Out of an abundance of caution, Air France Flight No. 22 was escorted to John F. Kennedy airport by U.S. Air Force fighter jets following a phone threat," the FBI said in a...