Brussels has been mourning the victimes for several hours . National flags are lowered, the city streets are controled by the police and the military.

The highest alarm level was declared in Belgium.

During the night, in the center of Brussels citizens gathered on Bursa square to pay tribute to victims.

The square was the focus of the international media attention.It was visited by the President and Prime Minister of Belgium. During the whole night, citizens stayed in the square.

According the latest information, a terrorist act that took place in Brussels on Wednesday, claimed lives of more than 30 people and injured 250.