Belgium Mourns After Deadly Brussels Terror Attacks

BRUSSELS, BELGIUM - MARCH 24: Kevin Pleunes, whose father Pierre Pleunes was killed in the terrorist attack at Maelbeek train station, writes a message of goodbye to his father at a memorial at Place de la Bourse for victims of the attack as well as a simultaneous one at Brussels airport, on March 24, 2016 in Brussels, Belgium. Belgium is observing three days of national mourning after 31 people were killed in a twin suicide blast at Zaventem Airport and a further bomb attack at Maelbeek Metro Station. Two brothers are thought to have carried out the attacks and a manhunt is underway for a third suspect. The attacks came just days after a key suspect in the Paris attacks, Salah Abdeslam, was captured in Brussels. (Photo by Adam Berry/Getty Images)