► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />The terrorist attack in Brussels was a co-ordinated strike in a city that has experienced one of the biggest pan-European anti-terror operations ever mounted. Alex Barker says on an intelligence level alone the attack raises disturbing questions.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
