Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Cross-Border Terrorism Puts Europe's Passport Free Travel in Doubt The fallout from the Islamic State terror attacks in Paris has put the future of Europe's passport-free travel area, known as the "Schengen Zone," in doubt. Several of the perpetrators were known to intelligence agencies, but were not intercepted. Henry Ridgwell reports from London European ministers are to hold an emergency meeting Friday in Brussels to look at ways of improving security. __________________________________________________________________ [1]http://www.voanews.com/media/video/3066293.html References 1. http://www.voanews.com/media/video/3066293.html