Belgian media has named two suicide bombers involved in the attacks in Brussels as brothers Khalid and Ibrahim, also known as Brahim, el-Bakraoui.
Another man, who was pictured at the airport on CCTV, has been named as Najim Laachraoui by Belgian newspaper La Dernier Heure.
On Tuesday morning, there were two explosions at the airport. Shortly after, there was a third explosion at Maalbeek Metro Station.
Terror group Isis claimed responsibility for the attacks, which killed at least 31 people and wounded more than 200, on Tuesday.
Here is what we know so far:
Suspects
Raids were carried out on Tuesday night and police circulated a CCTV image of three men seen at Brussels Airport.
Victims
The first victim of the attacks has been named as Adelma Tapia Ruiz, a 37-year-old from Peru
Wednesday morning
Three days of national mourning has begun. There will be a minute’s silence for the victims at midday local time.
What happened on Tuesday?
Brussels Airport
Shortly after 8am local time, two explosions were heard minutes apart in the departure hall of the airport.
Maalbeek Metro station
About an hour after the airport blasts, there was an explosion at Maalbeek Metro station, which is close to a number of EU institutions
Reaction
This article will be updated as more information becomes available.
