THREE illegal immigrants were in custody in Paris today after a teenager was found tied up and gagged after allegedly being gang raped underneath the Eiffel Tower.

The horrifying attack is said to have taken place after the 19-year-old was lured on a Facebook ‘date’ in the French capital.

1 A woman was allegedly found tied-up and gagged after being raped under the Eiffel Tower Credit: Getty Images

She allegedly responded to messages from who she thought was a 17-year-old Tunisian boy and initially met him close to her home in the Paris suburbs.

But last Sunday night she turned up at the Champs des Mars, thepublic park where the Eiffel Tower is situated, and was attacked, it is claimed.

A source close to the case said: "It was a warm night, and she expected to eat strawberries and grapes, and to drink Coke, but then the attack took place"

The woman was allegedly dragged underneath a bush where a blanket had been laid out.

She was then assaulted by the men and then gagged, beaten, and tied up, it is claimed.

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Neither the victim, who is said to have recently ran away from her mother’s home in the Paris suburbs, nor the alleged attackers can be named for legal reasons.

A couple out jogging early on Monday morning heard the victim making a muffled sobbing noise, and were able to raise the alarm.

They found the woman in deep shock, naked and crying.

Police used computer data to quickly trace the three men to a hotel in the 18th arrondissement of Paris, where they were caught while trying to flee to Germany on Monday.

None had any official papers, and all claimed they were 17-year-olds from Tunisia, seeking asylum.

However, early checks suggest that they are likely to be a lot older, and possibly from Algeria.

The source said: "An enquiry is underway to try and work out exactly who they are, and what they were doing in France."

All the men deny rape, saying they were involved in a "consensual adult relationship" with the woman.

The three men have been remanded in custody as prosecutors andpolice continue a rape investigation.

Their alleged victim is currently in the care of social services.