Why were sufficient precaution measures not taken in some European cities after the Europol warning of increased risk of terrorist attacks? What did intelligence services know about the alleged attacker? RT asked experts.
A rising Belgian taekwondo star whose older brother was one of the suicide bombers in the terror attacks on Brussels has won gold at the European Championships and now will represent Belgium at the Rio Summer Olympics in August.
Chaotic overcrowding has now struck Brussels Zaventem Airport, following the reopening of its departure hall, which was rocked by suicide blasts in March. Stringent security made thousands of passengers wait hours in long queues.
One of the Brussels airport bombers has been identified as an Islamic State jailer from Syria. Former French hostages held in Syria said they recognized Najim Laachraoui as one of the guards that watched over them.