The Brussels attacks have raised fresh questions about baggage screening across the globe — and whether more stringent checks are now needed as people enter key transport hubs.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews and https://twitter.com/skynewsbreak
Like us on Facebook: https://www.facebook.com/skynews
For more content go to http://news.sky.com and download our apps: