Police officers gather by a cordoned-off area at the scene of a bomb alert at the City2 shopping mall in the Rue Neuve in the city center of Brussels on June 21, 2016. An anti-terror operation was underway at a shopping centre in central Brussels on June 21, Belgian prosecutors told the Belga News agency, adding that one suspect had been arrested. A man with a fake suicide belt was arrested after a bomb scare at a shopping centre triggered a major anti-terror operation in central Brussels, federal prosecutors said. / AFP / Belga / NICOLAS MAETERLINCK / Belgium OUT (Photo credit should read NICOLAS MAETERLINCK/AFP/Getty Images)