by newzulu
UNITED KINGDOM, London : People stand near lit candles and a giant Belgian flag during a tribute to the victims of the Brussels terror attacks, outside if The Naional Gallery in Trafalgar Square in central London on March 24, 2016.Grieving Belgians observed a minute of silence on the third and final day of mourning for the 31 people killed in the March 22 attacks on the airport and a metro station, in the symbolic heart of Europe, putting security agencies across the continent on edge.