Shortly after 8 am this morning [twitter.com] certainly 1 but possibly 2 large explosions were heard in the main departure hall of Brussels Airport (Belgium), one of Europe's busiest airports. Fire services confirm casualties; first news is that part of the roof of the departure hall has collapsed. The explosion(s) were situated at the American Airlines check-in booth, according to first reports by Belgian news (without mentioning of source(s)).
Last week saw the arrest by Belgian police of Europe's main wanted fugitive, IS operative Salah Abdeslam [bbc.com].