Brussels has been placed under strict watch and many social places shut down as the key suspect as the Paris attacks eludes arrest.
Brussels began a third consecutive day in lockdown under a maximum terror alert on Monday after Belgian police staged a series of raids but failed to find key Paris attacks suspect, Salah Abdeslam.
In an unprecedented security operation for the European capital, schools, universities and the metro were shut in the face of what Prime Minister Charles Michel called a “serious and imminent” threat of attacks similar to those that killed 130 people in France.
According to prosecutors, the Belgian police on Sunday carried out 19 raids in Brussels and three in the industrial town of Charleroi, detaining 16 people.