A Syrian passport in the name of Ahmad Al Mohammad was found at the Stade de France football stadium near the body of one of three suicide attackers at the sports venue Friday.
"A document with the same name and same data but with the photograph of another man was found on Saturday on another migrant in the (reception) centre in Presevo and that person was held for questioning," the Blic newspaper reported, without giving a source.
Greek and Serbian authorities have confirmed that the passport found at the football stadium was issued to a man who registered as a refugee in October on the island of Leros and applied for asylum in Serbia a few days later.
Earlier today, the French prosecutor's office said the passport "remains to be verified," but that the fingerprints of the dead attacker matched those taken in Greece in October.
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The discovery of the Syrian passport in Paris has raised fears that some of the assailants might have entered Europe as part of the huge influx of people fleeing Syria's civil war.
"It is believed that these two men were not linked. However, the case will be examined because it is certain that both of them have bought fake Syrian passports at different times from the same counterfeiter in Turkey," Blic said.