The 19-year-old woman, Ines Madani, was shot and wounded in France on Thursday by police investigating a car found filled with gas cylinders near Notre Dame cathedral, a tourist hotspot, last weekend.
Madani is considered the main suspect in the case.
"According to our information, Ines Madani had contacts with Belgian radicals from the Charleroi region,"the RTBF station reported, without naming its sources. Charleroi is a city south of Brussels, in Belgium's former industrial heartland.
"Some of them have since been arrested," it added.
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"There is no question here (in Belgium) of a planned attack but Ines Madani seemed to fullfil a role of recruiter and facilitator for these departures," it said.
If true, it would not be the first time jihadists in Belgium have been linked to those in France.
Several based in Belgium allegedly planned and took part in the November 13 gun and bombing attacks in Paris that left 130 people dead and wounded hundreds of others.
Both sets of attacks were claimed by the Islamic State group headquartered in Syria.
A spokesman for the Belgian federal prosecutor's office told AFP today he would "not comment (on the report) in the interests of the investigation under way in France."
Investigating a plot linked to the discovery Sunday of a Peugeot 607 with gas cylinders in central Paris, police arrested Madani along with her alleged accomplices aged 23 and 39 in a suburb south of the French capital yesterday.
The women were "radicalised and fanaticised," he said.
Madani had sworn allegiance to the Islamic State group in a letter found in her possession, according to a source in the investigation.
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