On the morning of 22 March 2016, three coordinated nail bombings occurred in Belgium: two at Brussels Airport in Zaventem, and one at Maelbeek/Maalbeek metro station in Brussels. In these attacks, 31 victims and three suicide bombers were killed, with a fourth suspect on the run, and 300 people were injured. Another bomb was found during a search of the airport. The organization Islamic State of Iraq and the Levant (ISIL) claimed responsibility for the attacks.
The bombings were the deadliest act of terrorism in Belgium’s history. The Belgian government declared three days of national mourning.