Commentary coming in from FT's Peter Spiegel in Belguim

An area near the EU Commission in Belgium has been cordoned off and bomb disposal teams are said to have possibly initiated controlled explosions on a car with French plates

FT's Peter Spiegel happens to be on the streets and is tweeting updates @SpiegelPeter

As I mentioned earlier there's going to be a lot of nervousness in the market. We won't bring you every little thing but if there's something that might move markets we'll put it up