In a tweet Brussels Airlines announced to partially restart long-haul operations tomorrow by sending empty aircraft towards African destinations to bring back passengers in the evening of March 23 with arrival on March 24 in the morning.
http://www.luchtzak.be/forums/viewtopic.php?p=330711#p330711
Brussels Airlines will also bring back to Brussels scores of aircraft stranded at neighbouring airports: Liege, Antwerp, Charleroi (including OO-SNC freshly painted in a Magritte livery), Lille, Ostend, …