Belgium is marking the first anniversary of the suicide bomb attacks on the Brussels airport and underground system, which killed 32 people. More than 300 people were wounded in the attacks, which were claimed by the Islamic State group. <br/><br/>King Philippe, who was joined by Queen Mathilde and Prime Minister Charles Michel, led a minute's silence at Zaventem airport. Commemorations also took place at the Maelbeek underground station. Sixteen people died at each attack location.