BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees take shelter in a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees take shelter in a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees take shelter in a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: A refugee sleeps on a cardboard under stairs in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: A refugee is seen at a park in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees clean themselves at a park in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: A refugee is seen at a park in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees are seen at a park in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Clothes of refugees are left to dry at a park in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees stand in line at a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees stand in line at a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees stand in line at a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Refugees pass through a checkpoint at a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.

BRUSSELS, BELGIUM - SEPTEMBER 12: Police officers stand guard at a metro station in Brussels, Belgium on September 12, 2017. Number of refugees who take shelter in Maximilian Park and Brussels-North railway station are decreased in the recent days after police department in Brussels launched an operation towards them.