A week on from the deadly suicide bomb attacks in Brussels, we take an in-depth look at the investigation: the arrests, the links to Paris and the suspects.
Tag - Najim Laachraoui
Latest updates from March 27, and what we know so far about the March 22 Brussels attacks in which 28 people were killed and 340 injured.
Updates from March 26 about the March 22 Brussels attacks which killed 31 people and injured 300.
Najim Laachraoui, wanted in connection with November's Paris attacks, has been identified as the second suicide bomber at Brussels airport.
March 25 updates on the March 22 Brussels attacks which killed 31 people and injured 300.
Brussels attacks: latest updates, March 24
The prime suspect in the Brussels airport bombing is not in custody, despite media reports saying he had been arrested.
Belgian prosecutors said DNA had identified a suspected accomplice in the Paris attacks as Najim Laachraoui, previously known by the alias, Soufiane Kayal.