More than 400 flights were cancelled on Friday due to a walk out at Frankfurt airport. The disruption is set to get worse as the union threatens to step up its action.<br /><br />The apron controllers who guide planes in and out of parking slots have failed to reach a wage agreement with the airport operator. The action has a knock on effect on flights throughout Europe.<br /><br />...<br />http://www.euronews.net/
