by newzulu
UNITED KINGDOM, London : A man lights a candle during a tribute to the victims of the Brussels terror attacks, 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.