Police say incident outside Opera House which left two people in critical condition is not being investigated as terrorism
Six people have been injured after a knife attack at a demonstration in Belgium on Thursday evening, police said.
Two of the victims were in a critical condition in hospital following the incident in the port city of Antwerp near the Operaplein (Opera Square), police spokesperson Wouter Bruyns said.
Bruyns said police were able to apprehend the two suspects who, based on initial findings, had mingled with the demonstrators.
Four of the people who were stabbed were found in the square, with two others nearby in the vicinity of Rooseveltplaats and Sint-Elisabethstraat, local reports suggested.
