Witnesses reported seeing a man drop off a suitcase at Tournai Cathedral, which is popular with tourists, before leaving the scene.
The incident began at around 1.15pm local time (12.15pm BST).
A security cordon has been erected around the historic site in the town of Tournai, west Belgium.
A source said: “I was informed of the incident at about 1.45pm. A surveillance camera placed inside Notre-Dame Cathedral filmed a man who put down a suitcase and then left the premises On the eve of the procession.
“The police immediately proceeded to evacuate the area and a security perimeter was established in the district. examination of this suitcase.”
He added “the cathedral is a symbolic high place in the Tournai region”.
Bomb disposal teams have been deployed to the site.
This is a breaking story, more to follow…
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Daily Express :: World Feed