An Islamic State flag was found by the body of a gunman shot in a house raid near Brussels, authorities said.
Two suspects escaped during the anti-terrorism raid, which was linked to the Paris attacks.
Armed officers continue to patrol the streets of Forest, Brussels, after gunmen unexpectedly opened fire during a police raid.
The operation, linked to investigations into November's terror attacks in Paris, involved both French and Belgian forces - though authorities have admitted this was a coincidence, as the raid was not expected to yield much in the way of evidence.
Prosecutors have confirmed that one suspect was killed in a second raid on the building, and said searchers were ongoing for any other suspects still on the loose.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.