Reports of third explosion at Brussels Metro station

According to unconfirmed local reports, a bomb has gone off at Maalbeek Metro station in Brussels. This is from the live update at The Telegraph, and also live TV news from Sky News.

Local reporters are now reporting blasts at two Metro stations in Brussels, at Schuman and Maelbeek.

Also reports of something found on the airport runway. Latest from TV news is that one of the airport bombs was the work of a suicide bomber.